diff --git a/internal_filesystem/apps/com.example.btcticker/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.btcticker/META-INF/MANIFEST.JSON
deleted file mode 100644
index 9745982b..00000000
--- a/internal_filesystem/apps/com.example.btcticker/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-"name": "BTC Ticker",
-"publisher": "ACME Inc",
-"short_description": "Bitcoin Price Ticker",
-"long_description": "Uses a websocket to show the current price of Bitcoin in US Dollar.",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.btcticker_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.btcticker_0.0.1.mpk",
-"fullname": "com.example.btcticker",
-"version": "0.0.1",
-"entrypoint": "assets/bitcoin_price.py",
-"category": "money"
-}
-
diff --git a/internal_filesystem/apps/com.example.btcticker/assets/bitcoin_price.py b/internal_filesystem/apps/com.example.btcticker/assets/bitcoin_price.py
deleted file mode 100644
index cb8475cc..00000000
--- a/internal_filesystem/apps/com.example.btcticker/assets/bitcoin_price.py
+++ /dev/null
@@ -1,228 +0,0 @@
-import usocket
-import ssl
-import ubinascii
-import ujson
-import urandom
-import uhashlib
-import time
-
-def compute_accept_key(key):
-    GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
-    hash_obj = uhashlib.sha1(key + GUID)
-    return ubinascii.b2a_base64(hash_obj.digest())[:-1].decode()
-
-def ws_handshake(host, port, path="/"):
-    print(f"Connecting to {host}:{port}")
-    sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)
-    addr = usocket.getaddrinfo(host, port)[0][-1]
-    print(f"Resolved: {addr}")
-    sock.connect(addr)
-
-    ssl_sock = ssl.wrap_socket(sock, server_hostname=host)
-    print("SSL handshake complete")
-
-    key_bytes = bytearray()
-    for _ in range(4):
-        key_bytes.extend(urandom.getrandbits(32).to_bytes(4, 'big'))
-    key = ubinascii.b2a_base64(key_bytes)[:-1].decode()
-    expected_accept = compute_accept_key(key)
-    print(f"Key: {key}")
-    print(f"Expected Sec-WebSocket-Accept: {expected_accept}")
-
-    handshake = (
-        f"GET {path} HTTP/1.1\r\n"
-        f"Host: {host}\r\n"
-        f"Upgrade: websocket\r\n"
-        f"Connection: Upgrade\r\n"
-        f"Sec-WebSocket-Key: {key}\r\n"
-        f"Sec-WebSocket-Version: 13\r\n"
-        f"\r\n"
-    )
-    print(f"Handshake:\n{handshake}")
-    ssl_sock.write(handshake.encode())
-
-    response = ssl_sock.readline()
-    print(f"Response: {response.decode()}")
-    if b"101" not in response:
-        ssl_sock.close()
-        raise ValueError(f"Handshake failed: {response.decode()}")
-
-    accept_key = None
-    while True:
-        line = ssl_sock.readline()
-        print(f"Header: {line.decode()}")
-        if line == b"\r\n":
-            break
-        if line.lower().startswith(b"sec-websocket-accept:"):
-            accept_key = line.decode().split(":")[1].strip()
-
-    if not accept_key:
-        ssl_sock.close()
-        raise ValueError("No Sec-WebSocket-Accept header received")
-    if accept_key != expected_accept:
-        ssl_sock.close()
-        raise ValueError(f"Invalid Sec-WebSocket-Accept: got {accept_key}, expected {expected_accept}")
-
-    # Set non-blocking read
-    ssl_sock.setblocking(False)
-    return ssl_sock
-
-def ws_send_text(sock, message):
-    #print(f"Sending: {message}")
-    data = message.encode()
-    #print(f"Data: {data}")
-    length = len(data)
-
-    frame = bytearray()
-    frame.append(0x81)  # FIN=1, opcode=0x1 (text)
-    mask_bit = 0x80
-    mask_key = bytearray(urandom.getrandbits(32).to_bytes(4, 'big'))
-    #print(f"Mask key: {mask_key}")
-
-    if length <= 125:
-        frame.append(mask_bit | length)
-    elif length <= 65535:
-        frame.append(mask_bit | 126)
-        frame.extend(length.to_bytes(2, 'big'))
-    else:
-        frame.append(mask_bit | 127)
-        frame.extend(length.to_bytes(8, 'big'))
-
-    frame.extend(mask_key)
-    masked_data = bytearray(data)
-    for i in range(len(data)):
-        masked_data[i] ^= mask_key[i % 4]
-    frame.extend(masked_data)
-    #print(f"Frame: {frame}")
-    sock.write(frame)
-
-def ws_read_frame(sock):
-    try:
-        data = sock.read(2)  # Read header (FIN/opcode, length)
-    except OSError as e:
-        print(f"Read error: {e}")
-        return None
-    if not data:
-        print("Read: empty")
-        return None
-    #print(f"Raw header: {data}")
-
-    if len(data) < 2:
-        print("Frame too short")
-        return None
-
-    fin = (data[0] & 0x80) >> 7
-    opcode = data[0] & 0x0F
-    masked = (data[1] & 0x80) >> 7
-    payload_len = data[1] & 0x7F
-    #print(f"FIN: {fin} Opcode: {opcode} Masked: {masked} Len: {payload_len}")
-
-    if payload_len == 126:
-        len_data = sock.read(2)
-        payload_len = int.from_bytes(len_data, 'big')
-        #print(f"Extended len: {payload_len}")
-    elif payload_len == 127:
-        len_data = sock.read(8)
-        payload_len = int.from_bytes(len_data, 'big')
-        #print(f"Extended len: {payload_len}")
-
-    mask_key = None
-    if masked:
-        mask_key = sock.read(4)
-        #print(f"Mask key: {mask_key}")
-
-    payload = sock.read(payload_len)
-    #print(f"Raw payload: {payload}")
-    if masked and mask_key:
-        payload = bytearray(payload)
-        for i in range(len(payload)):
-            payload[i] ^= mask_key[i % 4]
-    #print(f"Payload: {payload}")
-
-    if opcode == 0x1:
-        return payload.decode()
-    elif opcode == 0x9:
-        print("Ping frame received")
-        return None
-    elif opcode == 0xA:
-        print("Pong frame received")
-        return None
-    elif opcode == 0x8:
-        print("Close frame received")
-        return None
-    else:
-        print(f"Unknown opcode: {opcode}")
-        return None
-
-def get_price(json_str):
-    try:
-        # Parse the JSON string into a Python dictionary
-        data = ujson.loads(json_str)
-        # Check if 'price' exists in the dictionary
-        if "price" in data:
-            price = data["price"]
-            return price  # Return the price as a string
-            # If you need it as a float, use: return float(price)
-        else:
-            print("Error: 'price' field not found in JSON")
-            return None
-    except ValueError:
-        # Handle invalid JSON
-        print("Error: Invalid JSON string")
-        return None
-    except Exception as e:
-        # Handle any other unexpected errors
-        print(f"Error: An unexpected error occurred - {str(e)}")
-        return None
-
-def refresh_price(timer):
-    global summary, status
-    data = ws_read_frame(sock)
-    if data:
-        print(f"Response: {data}")
-        price = get_price(data)
-        if price:
-            print(f"Price: {price}")
-            summary += f"{price}\n"
-            status.set_text(summary)
-
-def janitor_cb(timer):
-    if lv.screen_active() != appscreen:
-        print("bitcoin_price.py backgrounded, cleaning up...")
-        janitor.delete()
-        sock.close()
-        get_price_timer.delete()
-
-appscreen = lv.screen_active()
-janitor = lv.timer_create(janitor_cb, 500, None)
-
-status = lv.label(appscreen)
-status.align(lv.ALIGN.TOP_LEFT, 5, 10)
-status.set_style_text_color(lv.color_hex(0xFFFFFF), 0)
-summary = "Bitcoin USD price\nfrom Coinbase's Websocket API:\n\n"
-status.set_text(summary)
-
-
-port = 443
-host = "ws-feed.exchange.coinbase.com"
-path = "/"
-
-try:
-    sock = ws_handshake(host, port, path)
-    print("Reading a bit...") # echo.websocket.org sends a reply
-    for _ in range(3):
-        time.sleep(1)
-        data = ws_read_frame(sock)
-        if data:
-            print(f"Response: {data}")
-            break
-    print("Subscribing to price updates...")
-    ws_send_text(sock, ujson.dumps({"type": "subscribe","product_ids": ["BTC-USD"],"channels": ["ticker_batch"]}))
-    get_price_timer = lv.timer_create(refresh_price, 1000, None)
-except Exception as e:
-    print(f"Error: {str(e)}")
-    try:
-        sock.close()
-    except:
-        pass
-
diff --git a/internal_filesystem/apps/com.example.btcticker/assets/echo.py b/internal_filesystem/apps/com.example.btcticker/assets/echo.py
deleted file mode 100644
index c8eb4533..00000000
--- a/internal_filesystem/apps/com.example.btcticker/assets/echo.py
+++ /dev/null
@@ -1,24 +0,0 @@
-import ssl
-import aiohttp
-import asyncio
-
-sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
-sslctx.verify_mode = ssl.CERT_NONE
-#sslctx.verify_mode = ssl.CERT_REQUIRED # doesn't work because OSError: (-30336, 'MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED') 
-
-async def ws_test_echo(session):
-    async with session.ws_connect("wss://echo.websocket.events", ssl=sslctx) as ws:
-        await ws.send_str("hello world!\r\n")
-        async for msg in ws:
-            if msg.type == aiohttp.WSMsgType.TEXT:
-                print(msg.data)
-            if "close" in msg.data:
-                break
-            await ws.send_str("close\r\n")
-        await ws.close()
-
-async def main():
-    async with aiohttp.ClientSession() as session:
-        await ws_test_echo(session)
-
-asyncio.run(main())
diff --git a/internal_filesystem/apps/com.example.btcticker/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.btcticker/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index bec40db5..00000000
Binary files a/internal_filesystem/apps/com.example.btcticker/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/apps/com.example.cputest/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.cputest/META-INF/MANIFEST.JSON
deleted file mode 100644
index 3b5f3670..00000000
--- a/internal_filesystem/apps/com.example.cputest/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-"name": "Benchmark",
-"publisher": "ACME Inc",
-"short_description": "Testing the CPU speed",
-"long_description": "Experimentally determines how many idle loops and sha256-hashing loops the CPU can perform per second.",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.cputest_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.cputest_0.0.1.mpk",
-"fullname": "com.example.cputest",
-"version": "0.0.1",
-"entrypoint": "assets/cputest.py",
-"category": "benchmarking"
-}
-
diff --git a/internal_filesystem/apps/com.example.cputest/assets/cputest.py b/internal_filesystem/apps/com.example.cputest/assets/cputest.py
deleted file mode 100644
index e319e21d..00000000
--- a/internal_filesystem/apps/com.example.cputest/assets/cputest.py
+++ /dev/null
@@ -1,118 +0,0 @@
-# Example results for ESP32-S3 with 8MB SPIRAM:
-#
-# Test Summary:
-# Busy loop: 153018.20 iterations/second
-# Busy loop with yield: 40303.37 iterations/second
-# SHA-256 (1KB): 7357.60 iterations/second
-#
-# Adding the appscreen == lv.screen_active() test reduces the results to:
-# Busy loop: 22289 iterations/second
-# Busy loop with yield: 15923 iterations/second
-# SHA-256 (1KB): 5269 iterations/second
-#
-# New way, with the tests in a thread, replacing appscreen == lv.screen_active() with keeprunning:
-# Busy loop: 127801 iterations/second
-# Busy loop with yield: 38394 iterations/second
-# SHA-256 (1KB): 5012 iterations/second
-#
-# New way, but now with 10 in a loop and 10 second tests for more stability:
-# Busy loop: 127000 iterations/second
-# Busy loop with yield: 46000 iterations/second => this went up 25%
-# SHA-256 (1KB): 5100 iterations/second
-#
-# When the nostr thing is hanging:
-# Busy loop: 102000 iterations/second
-# Busy loop with yield: 12000 iterations/second => this went down 70%!
-# SHA-256 (1KB): 5100 iterations/second
-#
-# Results on desktop:
-# Busy loop: 15 997 000 => 125x faster
-# Busy loop with yield: 10 575 000 => 229x faster
-# SHA-256 (1KB): 291 000 => 57x faster
-
-
-import time
-import hashlib
-import os
-import _thread
-
-import mpos.apps
-import mpos.ui
-
-keeprunning = True
-summary = "Running 3 CPU tests...\n\n"
-
-# Configuration
-START_SPACING = 2000 # Wait for system to settle
-TEST_DURATION = 10000  # Duration of each test (ms)
-TEST_SPACING = 1000 # Wait between tests (ms)
-
-def stress_test_thread():
-    DATA_SIZE = 1024   # 1KB of data for SHA-256 test
-    DATA = os.urandom(DATA_SIZE)  # Generate 1KB of random data for SHA-256
-    print("stress_test_thread running")
-    global summary, keeprunning
-    summary += "Waiting for system to settle...\n\n"
-    time.sleep_ms(START_SPACING)
-    summary += "Busy loop without yield: "
-    iterations = 0
-    start_time = time.ticks_ms()
-    end_time = start_time + TEST_DURATION
-    while time.ticks_ms() < end_time and keeprunning:
-        iterations += 1
-    duration_ms = time.ticks_diff(time.ticks_ms(), start_time)
-    iterations_per_second = (iterations / duration_ms) * 1000
-    print(f"Busy loop test ran duration: {duration_ms}, average: {iterations_per_second:.2f} iterations/second")
-    summary += f"{iterations_per_second:.2f}/s\n"
-    #
-    time.sleep_ms(TEST_SPACING)
-    print("\nStarting busy loop with yield (sleep_ms(0)) stress test...")
-    summary += "Busy loop with yield: "
-    iterations = 0
-    start_time = time.ticks_ms()
-    end_time = start_time + TEST_DURATION
-    while time.ticks_ms() < end_time and keeprunning:
-        for _ in range(10):
-            time.sleep_ms(0)  # Yield to other tasks
-        iterations += 10
-    duration_ms = time.ticks_diff(time.ticks_ms(), start_time)
-    iterations_per_second = (iterations / duration_ms) * 1000
-    print(f"Busy loop with yield test completed: {iterations_per_second:.2f} iterations/second")
-    summary += f"{iterations_per_second:.2f}/s\n"
-    #
-    time.sleep_ms(TEST_SPACING)
-    print("\nStarting SHA-256 stress test (1KB data)...")
-    summary += "Busy loop with SHA-256 (1KB): "
-    iterations = 0
-    start_time = time.ticks_ms()
-    end_time = start_time + TEST_DURATION
-    while time.ticks_ms() < end_time and keeprunning:
-        for _ in range(10):
-            hashlib.sha256(DATA).digest()  # Compute SHA-256 on 1KB data
-        iterations += 10
-    duration_ms = time.ticks_diff(time.ticks_ms(), start_time)
-    iterations_per_second = (iterations / duration_ms) * 1000
-    print(f"SHA-256 test completed: {iterations_per_second:.2f} iterations/second")
-    summary += f" {iterations_per_second:.2f}/s\n"
-    summary += "\nAll tests completed."
-
-
-def janitor_cb(timer):
-    global keeprunning
-    if lv.screen_active() != main_screen:
-        print("cputest.py backgrounded, cleaning up...")
-        janitor.delete()
-        keeprunning = False
-        update_status_timer.delete()
-
-main_screen = lv.obj()
-janitor = lv.timer_create(janitor_cb, 1000, None)
-update_status_timer = lv.timer_create(lambda timer: status.set_text(summary), 750, None)
-
-status = lv.label(main_screen)
-status.align(lv.ALIGN.TOP_LEFT, 5, 10)
-status.set_text(summary)
-mpos.ui.load_screen(main_screen)
-
-_thread.stack_size(mpos.apps.good_stack_size())
-_thread.start_new_thread(stress_test_thread, ())
diff --git a/internal_filesystem/apps/com.example.cputest/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.cputest/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index d94b4620..00000000
Binary files a/internal_filesystem/apps/com.example.cputest/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/apps/com.example.draw/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.draw/META-INF/MANIFEST.JSON
deleted file mode 100644
index dee9499f..00000000
--- a/internal_filesystem/apps/com.example.draw/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-"name": "Draw",
-"publisher": "ACME Inc",
-"short_description": "Simple drawing app",
-"long_description": "Draw simple shapes on the screen.",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.draw_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.draw_0.0.1.mpk",
-"fullname": "com.example.draw",
-"version": "0.0.1",
-"entrypoint": "assets/draw.py",
-"category": "art"
-}
-
diff --git a/internal_filesystem/apps/com.example.draw/assets/draw.py b/internal_filesystem/apps/com.example.draw/assets/draw.py
deleted file mode 100644
index 5af77b4e..00000000
--- a/internal_filesystem/apps/com.example.draw/assets/draw.py
+++ /dev/null
@@ -1,88 +0,0 @@
-import mpos.ui
-
-indev_error_x = 160
-indev_error_y = 120
-
-DARKPINK = lv.color_hex(0xEC048C)
-
-# doesnt work:
-def draw_line(x, y):
-    global canvas
-    # Line drawing like this doesn't work:
-    layer = lv.layer_t()
-    canvas.init_layer(layer)
-    dsc = lv.draw_line_dsc_t()
-    dsc.color = DARKPINK
-    dsc.width = 4
-    dsc.round_end = 1
-    dsc.round_start = 1
-    dsc.p1 = lv.point_precise_t()
-    dsc.p1.x = x
-    dsc.p1.y = y
-    dsc.p2 = lv.point_precise_t()
-    dsc.p2.x = 100
-    dsc.p2.y = 200
-    #layer.draw_line(dsc) doesnt exist!
-    lv.draw_line(layer,dsc) # doesnt do anything!
-    canvas.finish_layer(layer)
-
-
-def touch_cb(event):
-    global canvas
-    event_code=event.get_code()
-    # Ignore:
-    # =======
-    # 19: HIT_TEST
-    # COVER_CHECK
-    # DRAW_MAIN
-    # DRAW_MAIN_BEGIN
-    # DRAW_MAIN_END
-    # DRAW_POST
-    # DRAW_POST_BEGIN
-    # DRAW_POST_END
-    # GET_SELF_SIZE
-    if event_code not in [19,23,25,26,27,28,29,30,49]:
-        name = mpos.ui.get_event_name(event_code)
-        #print(f"lv_event_t: code={event_code}, name={name}") # target={event.get_target()}, user_data={event.get_user_data()}, param={event.get_param()}
-        if event_code == lv.EVENT.PRESSING: # this is probably enough
-        #if event_code in [lv.EVENT.PRESSED, lv.EVENT.PRESSING, lv.EVENT.LONG_PRESSED, lv.EVENT.LONG_PRESSED_REPEAT]:
-            x, y = mpos.ui.get_pointer_xy()
-            # drawing a point works:
-            #canvas.set_px(x,y,lv.color_black(),lv.OPA.COVER)
-            #
-            # drawing a square like this works:
-            #for dx in range(-5,5):
-            #    for dy in range(-5,5):
-            #        canvas.set_px(x+dx,y+dy,DARKPINK,lv.OPA.COVER)
-            #
-            # drawing a circle works:
-            radius = 7  # Set desired radius
-            if x == indev_error_x and y == indev_error_y:
-                radius = 25 # in case of indev error
-            square = radius * radius
-            for dx in range(-radius, radius):
-                for dy in range(-radius, radius):
-                    if dx * dx + dy * dy <= square:
-                        newx, newy = x + dx, y + dy
-                        if 0 <= newx <= hor_res and 0 <= newy <= ver_res: # don't draw outside of canvas because that may crash
-                            canvas.set_px(x + dx, y + dy, DARKPINK, lv.OPA.COVER)
-
-
-main_screen = lv.obj()
-canvas = lv.canvas(main_screen)
-
-disp = lv.display_get_default()
-hor_res = disp.get_horizontal_resolution()
-ver_res = disp.get_vertical_resolution()
-
-canvas.set_size(hor_res, ver_res)
-canvas.set_style_bg_color(lv.color_white(), 0)
-
-buffer = bytearray(hor_res * ver_res * 4)
-
-canvas.set_buffer(buffer, hor_res, ver_res, lv.COLOR_FORMAT.NATIVE)
-canvas.fill_bg(lv.color_white(), lv.OPA.COVER)
-canvas.add_flag(lv.obj.FLAG.CLICKABLE)
-canvas.add_event_cb(touch_cb, lv.EVENT.ALL, None)
-
-mpos.ui.load_screen(main_screen)
diff --git a/internal_filesystem/apps/com.example.draw/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.draw/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index ac0877f0..00000000
Binary files a/internal_filesystem/apps/com.example.draw/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/apps/com.example.helloworld/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.helloworld/META-INF/MANIFEST.JSON
deleted file mode 100644
index 870b0f75..00000000
--- a/internal_filesystem/apps/com.example.helloworld/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-"name": "HelloWorld",
-"publisher": "ACME Inc",
-"short_description": "Minimal app",
-"long_description": "Demonstrates the simplest app.",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.helloworld_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.helloworld_0.0.1.mpk",
-"fullname": "com.example.helloworld",
-"version": "0.0.1",
-"entrypoint": "assets/hello.py",
-"category": "development"
-}
diff --git a/internal_filesystem/apps/com.example.helloworld/assets/hello.py b/internal_filesystem/apps/com.example.helloworld/assets/hello.py
deleted file mode 100644
index 0fd76550..00000000
--- a/internal_filesystem/apps/com.example.helloworld/assets/hello.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import mpos.ui
-
-def button_click(e):
-    print("Button clicked!")
-
-scr = lv.obj()
-
-# Create a button with a label
-btn = lv.button(scr)
-btn.align(lv.ALIGN.CENTER, 0, 0)
-#btn.set_size(lv.pct(100),lv.pct(100))
-btn.add_event_cb(button_click,lv.EVENT.CLICKED,None)
-label = lv.label(btn)
-label.set_text('Hello World!')
-
-mpos.ui.load_screen(scr)
-
-# Optional janitor that cleans up when the app is backgrounded:
-def janitor_cb(timer):
-    if lv.screen_active() != scr:
-        print("app backgrounded, cleaning up...")
-        janitor.delete()
-        # No cleanups to do, but in a real app, you might stop timers, deinitialize hardware devices you used, close network connections, etc.
-
-janitor = lv.timer_create(janitor_cb, 1000, None)
diff --git a/internal_filesystem/apps/com.example.helloworld/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.helloworld/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index cac4a6f2..00000000
Binary files a/internal_filesystem/apps/com.example.helloworld/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/apps/com.example.imutest/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.imutest/META-INF/MANIFEST.JSON
deleted file mode 100644
index 2a2571b9..00000000
--- a/internal_filesystem/apps/com.example.imutest/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-"name": "Accelero",
-"publisher": "ACME Inc",
-"short_description": "Test the Inertial Measurement Unit",
-"long_description": "It is always good to make sure the accelerometer is working properly. How else can you measure acceleration and position?",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.imutest_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.imutest_0.0.1.mpk",
-"fullname": "com.example.imutest",
-"version": "0.0.1",
-"entrypoint": "assets/imutest.py",
-"category": "benchmarking"
-}
diff --git a/internal_filesystem/apps/com.example.imutest/assets/imutest.py b/internal_filesystem/apps/com.example.imutest/assets/imutest.py
deleted file mode 100644
index 0112a17f..00000000
--- a/internal_filesystem/apps/com.example.imutest/assets/imutest.py
+++ /dev/null
@@ -1,86 +0,0 @@
-import mpos.ui
-
-# screens:
-
-main_screen = None
-
-def map_nonlinear(value: float) -> int:
-    # Preserve sign and work with absolute value
-    sign = 1 if value >= 0 else -1
-    abs_value = abs(value)
-    # Apply non-linear transformation (square root) to absolute value
-    # Scale input range [0, 200] to [0, sqrt(200)] first
-    sqrt_value = (abs_value ** 0.5)
-    # Scale to output range [0, 100]
-    # Map [0, sqrt(200)] to [50, 100] for positive, [0, 50] for negative
-    max_sqrt = 200.0 ** 0.5  # Approx 14.142
-    scaled = (sqrt_value / max_sqrt) * 50.0  # Scale to [0, 50]
-    return int(50.0 + (sign * scaled))  # Shift to [0, 100]
-
-def refresh(timer):
-    if have_imu:
-        #print(f"""{sensor.temperature=} {sensor.acceleration=} {sensor.gyro=}""")
-        temp = sensor.temperature
-        ax = sensor.acceleration[0]
-        axp = int((ax * 100 + 100)/2)
-        ay = sensor.acceleration[1]
-        ayp = int((ay * 100 + 100)/2)
-        az = sensor.acceleration[2]
-        azp = int((az * 100 + 100)/2)
-        # values between -200 and 200 => /4 becomes -50 and 50 => +50 becomes 0 and 100
-        gx = map_nonlinear(sensor.gyro[0])
-        gy = map_nonlinear(sensor.gyro[1])
-        gz = map_nonlinear(sensor.gyro[2])
-    else:
-        temp = 12.34
-        axp = 25
-        ayp = 50
-        azp = 75
-        gx = 45
-        gy = 50
-        gz = 55
-    templabel.set_text(f"IMU chip temperature: {temp:.2f}°C")
-    sliderx.set_value(axp, lv.ANIM.OFF)
-    slidery.set_value(ayp, lv.ANIM.OFF)
-    sliderz.set_value(azp, lv.ANIM.OFF)
-    slidergx.set_value(gx, lv.ANIM.OFF)
-    slidergy.set_value(gy, lv.ANIM.OFF)
-    slidergz.set_value(gz, lv.ANIM.OFF)
-
-
-def janitor_cb(timer):
-    if lv.screen_active() != main_screen:
-        print("imutest.py backgrounded, cleaning up...")
-        janitor.delete()
-        refresh_timer.delete()
-
-have_imu = True
-try:
-    from machine import Pin, I2C
-    from qmi8658 import QMI8658
-    import machine
-    sensor = QMI8658(I2C(0, sda=machine.Pin(48), scl=machine.Pin(47)))
-except Exception as e:
-    print(f"Warning: could not initialize IMU hardware: {e}")
-    have_imu=False
-
-
-main_screen = lv.obj()
-templabel = lv.label(main_screen)
-templabel.align(lv.ALIGN.TOP_MID, 0, 10)
-sliderx = lv.slider(main_screen)
-sliderx.align(lv.ALIGN.CENTER, 0, -60)
-slidery = lv.slider(main_screen)
-slidery.align(lv.ALIGN.CENTER, 0, -30)
-sliderz = lv.slider(main_screen)
-sliderz.align(lv.ALIGN.CENTER, 0, 0)
-slidergx = lv.slider(main_screen)
-slidergx.align(lv.ALIGN.CENTER, 0, 30)
-slidergy = lv.slider(main_screen)
-slidergy.align(lv.ALIGN.CENTER, 0, 60)
-slidergz = lv.slider(main_screen)
-slidergz.align(lv.ALIGN.CENTER, 0, 90)
-mpos.ui.load_screen(main_screen)
-
-refresh_timer = lv.timer_create(refresh, 100, None)
-janitor = lv.timer_create(janitor_cb, 500, None)
diff --git a/internal_filesystem/apps/com.example.imutest/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.imutest/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index 334a8777..00000000
Binary files a/internal_filesystem/apps/com.example.imutest/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/apps/com.example.lvgltest/META-INF/MANIFEST.JSON b/internal_filesystem/apps/com.example.lvgltest/META-INF/MANIFEST.JSON
deleted file mode 100644
index 80d5c85b..00000000
--- a/internal_filesystem/apps/com.example.lvgltest/META-INF/MANIFEST.JSON
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-"name": "Graphics",
-"publisher": "ACME Inc",
-"short_description": "Testing on-display spinner animations",
-"long_description": "Stress testing multiple concurrent animations on the display by adding more and more spinners",
-"icon_url": "http://demo.lnpiggy.com:2121/apps/com.example.lvgltest_0.0.1.mpk_icon_64x64.png",
-"download_url": "http://demo.lnpiggy.com:2121/apps/com.example.lvgltest_0.0.1.mpk",
-"fullname": "com.example.lvgltest",
-"version": "0.0.1",
-"entrypoint": "assets/lvgltest.py",
-"category": "benchmarking"
-}
-
diff --git a/internal_filesystem/apps/com.example.lvgltest/assets/lvgltest.py b/internal_filesystem/apps/com.example.lvgltest/assets/lvgltest.py
deleted file mode 100644
index b7ba7001..00000000
--- a/internal_filesystem/apps/com.example.lvgltest/assets/lvgltest.py
+++ /dev/null
@@ -1,46 +0,0 @@
-import time
-import random
-
-# Configuration
-SPINNER_SIZE = 40   # Size of each spinner in pixels
-
-# Global variables
-spinner_count = 0
-metrics_label = None
-
-def add_spinner(timer):
-    global spinner_count, metrics_label
-    try:
-        x = random.randint(0, appscreen.get_width() - SPINNER_SIZE)
-        y = random.randint(0, appscreen.get_height() - SPINNER_SIZE)
-        spinner_count += 1
-        print(f"Placing spinner {spinner_count} with size {SPINNER_SIZE} at {x},{y}")
-        spinner = lv.spinner(appscreen)
-        spinner.set_size(SPINNER_SIZE, SPINNER_SIZE)
-        spinner.set_pos(x, y)
-    except Exception as e:
-        print(f"Failed to create spinner {spinner_count}: {e}")
-        return
-    
-    metrics_label.set_text(f"Spinners: {spinner_count}")
-    print(f"Finished adding spinner {spinner_count}")
-
-
-def janitor_cb(timer):
-    if lv.screen_active() != appscreen:
-        print("lvgltest.py backgrounded, cleaning up...")
-        janitor.delete()
-        add_spinner_timer.delete()
-
-appscreen = lv.screen_active()
-metrics_label = lv.label(appscreen)
-metrics_label.set_style_text_color(lv.color_white(), 0)
-metrics_label.set_style_bg_color(lv.color_black(), 0)
-metrics_label.set_style_bg_opa(lv.OPA.COVER, 0)
-metrics_label.set_pos(10, 10)
-metrics_label.set_text("Spinners: 0")
-
-print("Starting LVGL spinner benchmark...")
-janitor = lv.timer_create(janitor_cb, 400, None)
-add_spinner_timer = lv.timer_create(add_spinner, 2000, None)
-
diff --git a/internal_filesystem/apps/com.example.lvgltest/res/mipmap-mdpi/icon_64x64.png b/internal_filesystem/apps/com.example.lvgltest/res/mipmap-mdpi/icon_64x64.png
deleted file mode 100644
index bc18da5c..00000000
Binary files a/internal_filesystem/apps/com.example.lvgltest/res/mipmap-mdpi/icon_64x64.png and /dev/null differ
diff --git a/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py b/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py
index 0e828fe5..78cb35de 100644
--- a/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py
+++ b/internal_filesystem/builtin/apps/com.micropythonos.osupdate/assets/osupdate.py
@@ -39,12 +39,9 @@ class OSUpdate(Activity):
         
         if not network_connected:
             self.status_label.set_text("Error: WiFi is not connected.")
-            time.sleep(10)
         else:
             print("Showing update info...")
             self.show_update_info()
-        
-        print("osupdate.py finished")
 
     def onStop(self, screen):
         self.keep_running = False # this is checked by the update_with_lvgl thread