This is a web app to control and program the miniMIDI Joystick developed by Professor John Shirley and Brendan Power. You can order a miniMIDI JOYStick from https://www.brendan-power.com/MiniMidiJoy.php
You can try the app out here: https://keplergelotte.com/minimidijoystick/ or just download the code and run it by opening the index.html in a browser on your device.
All this code is free to modify and distribute under the MIT license. If you find any issues please report them here so I can fix them when time permits.