A free program for Android, by Mobi Softech.

Piano Keyboard is an instrument simulator app. Our keyboard is designed for learning & enjoying piano with real sounds of piano, guitar, and other instruments. With this piano keyboard app, you can play a variety of music created by professional musicians. You can also create your own song with this piano keyboard and feel the joy of playing your own self-created music. Whether you are just getting started or an advanced player, you can enjoy learning with Magic Notes Mini games and Lessons. It has a well-designed interface, which makes it easy to play. You can enjoy the game by switching to easy-piano mode to improve your skills better and more conveniently.