Features: - Visualizes live midi data from connected USB devices - on-device midi file playback - midi file playback over connected USB devices - visualizes midi files / view midi files - records midi files - shows stats on midi data Notes: - on older devices the usb device might need to be connected before the app is started - While possible, this apps main intent is not to serve as a midi synthesizer. If you do choose to use this feature please note that the audio quality will be greatly improved if you use this app in combination with a USB midi synthesizer such as a Yahama Digital Piano.