Mobile Cobra Strike - You have to kill as many tanks as you can before the final enemy ship appears, you can fire missiles and gun machine.
Tip: save the missiles for the last enemy.
-Works on many screen sizes
rTagger On-going, real-world, scavenger-hunt-like game where you earn points and prizes for creating your own challenges for other players to compete in or entering their challenges using your camera phone. Its free to join and free to play