Handy RasPi project for the many Android lovers in our midsts created by Marc Sluiter. And he was able to grab some great resources from our Learning System!
Check out the example video then head over to RaspiDroid on GitHub:
Sources for a Raspberry Pi running on Java, with some LEDs and an Adafruit LED matrix as output, and an Android phone as input device. Communication from Android to the Pi is done via websocket.
See it in action: http://www.youtube.com/watch?v=g_Mn1BiplmY
Some links to used components and software:
Pi OS and LED matrix:
My libs for the LEDs and the matrix: