gecko/embedding/android/resources/layout/launch_app_listitem.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="?android:attr/listPreferredItemHeight"
              android:paddingLeft="16dip"
              android:paddingRight="16dip"
              android:orientation="horizontal"
              android:gravity="left">
  
   <ImageView android:id="@+id/favicon"
              android:layout_width="48dip"
              android:layout_height="48dip"
              android:layout_marginRight="12dip"
              android:layout_gravity="center_vertical"
              android:adjustViewBounds="true"
              android:scaleType="fitCenter"/>

   <TextView android:id="@+id/title"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:gravity="center_vertical"
             android:textAppearance="?android:attr/textAppearanceLargeInverse"
             android:ellipsize="marquee"
             android:fadingEdge="horizontal"/>

 </LinearLayout>