This App is meant for piano players. There are two modes
1. Training:
Play on a virtual 3D-keyboard and see, how the the pressed key is notated.
2. Competition:
See a note, hear it's sound and find as fast as possible the correct key. As
long as the time runs, you collect credits for fast and good reactions. For
flawless performance you get extra time to receive even more credits to
enter your name in the hall of fame. There are monthly and alltime
scoreboards