Super MIDI Box is a free Android app developed by Volcano Mobile that allows users to create and edit MIDI sequences. With MIDI connections available through wired and Bluetooth modes, this app provides a convenient way to interact with MIDI devices. The app offers two sequences, which can be expanded to unlimited in the paid version, and up to 16 channels. The transport control feature allows users to play, pause, and stop the sequence, and the MASTER/SLAVE mode allows for synchronization with other devices.

Super MIDI Box uses a modified version of FluidSynth, an open-source software synthesizer, providing a high-quality sound output. The user manual and FAQ are available on the developer's website, providing useful information on how to use the app and troubleshoot any issues. Overall, Super MIDI Box is a useful tool for musicians and music enthusiasts looking to create and edit MIDI sequences on their Android devices.