The best of all apps that make your phone into a musical instrument for playing music. My Piano Phone is a simple application that turns your Android phone into a real piano. It's the most popular piano app on the market and we have thousands of happy users who play with real instruments and feel like they are on an actual piano. This is one of the best Android apps for playing music and we know that it will make you and your friends have a great time. The app has a nice and clean interface and it's really easy to use.