It is a keyboard for the music that it can play with a tone of General MIDI (GM)!It is possible to perform with the keyboard of two octaves with a touch screen.The Multi-touch is possible!! The tone that can be used is as follows. * 128 tones(Piano, Sax, Guitar, Drum etc.) of General MIDI (GM) * 61 sounds of percussion of General MIDI (GM)The octave can be adjusted by eight stages.If two or more terminals are used, the orchestra is not a dream.== More infomation ==http://skyarts.com/products/android/pianotones== Attention for this free edition ==This free edition is intended to have you know the function of the pay version.In addition, distribute it for the person who cannot purchase a pay version.Please think about the purchase of the pay version when you can buy a pay version.When an advertisement with the interest was displayed, the one that you cannot purchase taps an advertisement, and please display it.Despite a free edition, the development is not free of charge. Because it is necessary to have you support a developer to use some contents, please cooperate.