The first app, Quake2Android, is an open source port of the classic time-waster, Quake 2, and has the sweet multiplayer over Wi-Fi support. Aside from the keyboard controls, the developer, Julien, also added touchscreen controls as well as accelerometer controls.
http://www.youtube.com/watch?v=q9Xaz7ECI4M
Source: http://blog.gsmarena.com/...