piano hologram prank

prank your friends with three dimensional virtual piano.
the piano shown on the surface that your camera points.
real piano playing is available.
flash turned on to simulate light of hologram.
you can choose the color of the keyboard.
show it to your girlfriend or boyfriend.
don't miss your friend response when he will find out its a prank.

features:

- simulate 3D projection.
- a joke!
- great as a game.
- full use for free.
- easy to use.