I know this is an old thread, but I'll put it here if someone stumbles across it in Google while searching for live wallpaper support in Unity, as it is a topic that a lot of people are interested in. I've recently released uLiveWallpaper - a Unity asset that makes it possible to create live wallpapers for Android using Unity 5. It is well-tested and reliable, creates projects for Android Studio, complete with placeholder code to get you started. Check it out! http://forum.unity3d.com/threads/ulivewallpaper-develop-android-live-wallpapers-with-unity-5.375255/