Limbo Keys on your desktop. macOS only; uses SwiftUI
Turn on sound:
2024-09-05.07-12-35.mp4
Get the newest build from releases. Right click > open. If you see a dialog asking for mic permissions just ignore it; AVFoundation, which plays the song, also handles audio recording but it isn't used here
Open the project in Xcode and hit Command + B. Press Product > Show Build Folder in Finder