Jonty Lovell has announced Piano Keys. This program implements a 4 octave plus piano keyboard. Press a key and the sound plays. Now all you Pianists need never be without your Piano. Also useful for other musicians for tuning.

Author's Description:

Real music on the P800 and P900 smartphone! A fully functional 4 octave plus piano keyboard for the P800 and P900 using grand piano samples for a realistic CD quality effect.

The sound quality and octave range is the best available on this medium and the simplicity of use is fantastic.