diff --git a/conn/export.go b/conn/export.go
index 8bc2bad..dd87373 100644
--- a/conn/export.go
+++ b/conn/export.go
@@ -9,4 +9,8 @@ var (
 	GetSrcFromControl      = getSrcFromControl
 
 	GetGSOSize = getGSOSize
+
+	// export controlFns for Android to use
+	// is not thread safe and should only be modified during init.
+	ControlFns = &controlFns
 )