Features currently not supported by Unity Android

Graphics

• Non-square textures are not supported by the ETC format.
• Movie Textures are not supported, use a full-screen streaming playback instead. Please see the Movie playback page for more information.

Scripting

• OnMouseEnter, OnMouseOver, OnMouseExit, OnMouseDown, OnMouseUp, and OnMouseDrag events are not supported on Android.
• Dynamic features like Duck Typing are not supported. Use #pragma strict for your scripts to force the compiler to report dynamic features as errors.
• Video streaming via WWW class is not supported.