Mii Fighter Maker + Gamepad for arduino microcontroller

By Meme Gunner
Using this app (with an arduino ATmega32u4 based board that has the required program installed and connected bluetooth module), you can quickly make Mii Fighters in ssbu, as well as use your phone as a "not really easy to use" controller for the switch. Made using MIT App Inventor, tho it's possible i might remake this app with Godot or other app maker in the future.