Shuffle Ball is a kind of 3D air hockey game for iPhone and iPod touch devices.
Shake or fillip the device as if it were a real racket and hit a smash!!!
This is free version and all you can do is smash return of service continuously.
Try this free version first and if you get used to smash, its about time to try full version.
YouTube(Search for "ShuffleBall iPhone"):
http://www.youtube.com/watch?v=8JIxsMP7X-0