For completeness of this thread, since I forgot to post last year’s big Christmas presents:
MakeCode Arcade on the micro:bit (V2)
(Technically new compatible hardware, but still compiled some way as a kind of app on some hardware)
The official MCA Kiosk app to play games in on the XBox:
Mentioning @UnsignedArduino’s coming Electron launcher / app again here at the end, since it’s the newest branch on this tree, and it has the potential for being cross-platform!