Harmonica is the latest way to turn your phone into a musical instrument with a beautiful interface. With Harmonica, you can play melodies, chords, and engage in creative jam sessions with up to four people. You'll be able to record your music and share it with the world - or just your friends! You can even use Harmonica's built-in keyboard for making music on the go. Whether you're looking for a new hobby or trying to find a new way to make music, stop playing that old plastic thing and get Harmonica today!