[Orothrim]

I've been thinking about making an app in the style of Tamagotchi, but where you do the habits you want to learn to 'feed' the Tamagotchi.

[ekaryotic]

There were a few mechanical keyboards made with oled screens, and there was a push for qmk developers to drop everything and make keyboard tamagotchis for a while to much consternation. They did it though, but the keyboard pet moves along with your typing speed.