Mobile phone tennis
...or, augumented reality tennis. That's what the creators of this nice application want to call it.
It's a game for Symbian based phones like the Nokia 6630, 6670, N series etc. The application use the camera in the phone to read the pattern on the table. It then analyze this stream of information and renders a tennis court on the screen of the mobile. When you move the mobile in any direction the tennis court will adjust. Meaning that the phone works like your tennis racket.
It uses both sound and vibration in the phone to give feedback to the user in ...