Hologram Piano Prank

Hologram Piano is a simulated Hologram 3D Projector which simulates the piano keyboard with real piano sounds. You can play beautiful melody with this novel hologram piano. Key feature: ★Make use of back camera to make transparent background just like Holograms 3D Laser Keyboard. ★Real piano keyboard with beautiful sounds. If you love music, you love piano, please download this Piano 3D Projector Prank, you can practice anytime.