python3 -m emulator --hex <hexfile> if you have a Intel HEX file
python3 -m emulator --bin if you have the files flash_backup.bin, internal_flash_backup.bin and itcm_backup.bin from the original dumps.
Retro-Go: Main menu works kinda, starting games don't work yet
Original firmware: Doesn't work yet
A-button: C B-Button: X D-pad: Arrow keys
Reaction to key presses are lagging, need to hold down the key for a single press