A free app for Android, by Crazy Softech Games.
Play Piano Musical Keyboard is a free application that lets you play the piano in a very realistic and immersive way. It provides you with all the necessary tools to do so. This app is highly configurable and playable, and it has a beautiful and unique interface. The best thing about it is that it is easy to use and doesn’t require any special skills. You can use this app on your Android phone or tablet.
To play the piano, you need to tap the screen or press the keys. You can also use the volume keys to do so.