This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
A guide how to get game-and-watch-base
and game-and-watch-retro-go
built and deployed from macOS Big Sur
NOTE: All device-comm steps given for G&W Mario over ST-link/V2; update accordingly for G&W device and SWD iface
https://github.com/Upcycle-Electronics/game-and-watch-hardware
https://github.com/ghidraninja/game-and-watch-backup
https://github.com/ghidraninja/game-and-watch-base