nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqk06ctulq8rcaen067tt6z3y6gxrqtsuje5em5lcn009zfpp0t7gq4wn8cj nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpquun9wcudmj7wqgn5tx78ru8qm7kc745yh0vxdla0l2kfpcxmffuq7tw7dl this one's using a python gameboy emulator called PyBoy (https://github.com/Baekalfen/PyBoy)

But the full source code is here: https://github.com/TomCasavant/MastodonPlaysGameboy