An amazing virtual piano by MooCowMusic for the iPhone and iPod Touch. The keys are animated, super sensitive and so realistic. Notes are sampled from a real piano. You can press 5 keys at maximum. You can not only record with a configurable metronome but also duet with yourself or play along to your MP3 files. And many more features, you just to try out or buy this application to see more in action.

 
Download Link: http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=284622652&mt=8

Here is the videos of iano-Pianist in action