Best of the best:

MusicPianoMaster is the best app for learning or practicing with virtual piano.

It's an app that allows you to compose your music in 5 different kinds of in-built effects: grand piano, bright piano, music box, pipe organ and synthesiser.

It has a full size virtual keyboard that works with music loops that include piano loops, music phrases, and original piano sounds.

Professional sound effects allow you to enhance your musical abilities.

Use of the app is completely free.

It works well on tablets and mobile phones.

The Piano Master app is designed with you in mind, to give you the easiest and most convenient way of practicing or learning to play. It's a professional quality application.