Reason why doing updates is observing what else is left to do regarding the various lcd games that use same mcu hardware. I did an older post for Tiger games since there were non-stop loads of Tiger games being supported.
Aside from the non- Game & Watch hardware… (links below)
…the wanted list of G&W type hardware seems to be Tronica Goal Keeper and some remaining Elektronica G&W type hardware games. Fortunately most of the G&W type hardware games are now preserved.