UP Piano is an Android app developed by Productive Minds that allows you to practice and learn any song while listening to the realistic sounds of various musical instruments. With UP Piano, you can play the Grand Piano, Organ, Electric Piano, Music Box, Violin, Xylophone, Synth, Guitar, Flute, among others. You can connect your Android device to any MIDI-enabled keyboard to play and learn songs in both directions. The app comes with scores of included songs at various levels of difficulty, and you can create your own library by adding your own sheet music. You can play or learn one hand or both hands, and the app provides feedback and analysis for your play beat by beat. With UP Piano, you can play or learn in three modes: Falling notes, Simplified, and Standard. The app supports MusicXML format, and you can import your own sheet music to play and learn new songs.