App Profile: Roll Player Piano

Features
-Rotating finger gestures on the screen to play music.
-The music can be played according to the conducting motion of the index finger captured by the front camera*.
-The music can be played accordance to the movement of the rotating circle captured by the rear camera*.
-The tempo of the performance can be controlled by the speed of rotation.
-The volume of the performance can be controlled by the size of the rotation radius.
-You can also play at the volume according to the score.-You can record your performance.
-56 different sound sources can be switched.-MIDI files can be imported**.
-You can enjoy automatic performance.
-You can bring multiple iPhones to enjoy ensemble playing.
-You can practice ensembles with just one iPhone.
-You can play hand-cranked music by reading roll sheet socre with the camera*.
-You can play hand-cranked music by reading the rotating circle with the camera*.
-You can print roll music score for hand-cranked music box (40mm/70mm width) as PDF file*.
-You can print music score for disc-type hand-cranked music boxes as a PDF file*.

* In-app purchase ($0.99) will add more functions.
** In-app purchase ($3.99) will add more functions.