Midi Commander lets you send MIDI message through a usb-connected MIDI interface. Define the MIDI messages (control change, program change) associated with each button, and use them to change patches and control a midi keyboard or similar midi equipment. After setting the EDIT switch to ON, use long click on a button to change its values and the transmitted values. Other functions can be accessed via menu'. The latest version of Midi Commander (in .apk format) is also available here (in case