Limelight Android v2.0.1 (aka Update 13)

Video and audio are working. Mouse is implemented with support for the touchscreen as a touchpad or using a real mouse or touchpad. Pressing back/select and start together on your controller will bring up the Steam overlay.

General requirements for current APK:
Android 4.1 or higher
GeForce Experience with a GTX 600/700/800 GPU (or other GameStream compatible configuration)
Steam enrolled in beta updates
Xbox, PS3 (with SixAxis app), Moga Pro (HID mode), Shield, or Ouya controller (other controllers may work too in HID mode)
Mid to high-end wireless router (preferably dual-band 802.11n or better)
Good wireless connection to your Android device

For more information see the XDA thread: http://forum.xda-developers.com/showthread.php?t=2505510

The APK includes native libraries for ARMv7a and x86.