Reimann, C.; Paelke, Volker; Stichling, Dirk: Foot-based mobile Interaction with Games. In: ACM SIGCHI International Conference on Advances in Computer Entertainment Technology (ACE). Singapore, Juni 2004

Interaction with mobile applications is often awkward due to the limited and miniaturized input modalities available. Our approach exploits the video capabilities of camera equipped smart-phones and PDA's to provide a fun solution for interaction tasks in simple games like “Pong”, “Breakout” or soccer.