Unity Examples

Plugins:

http://docs.unity3d.com/Manual/Plugins.html

Roll-A-Ball:

http://unity3d.com/learn/tutorials/projects/roll-a-ball

http://unity3d.com/learn/tutorials/modules/beginner/platform-specific/accelerometer-input

Touch/Orbit Camera:

http://forum.unity3d.com/threads/touch-to-orbit-script.15181/