An avatar editor for the Game Boy? Interesting, you know, before the Miis were introduced on the Wii 20 years ago, Nintendo made several attempts to make the Miis early... an unreleased NES prototype, Mario Artist Talent Studio for the N64DD and another unreleased GameCube game, so seeing Mii-like avatars on the Game Boy looks interesting but what games could use them? Those games could work via-