Bownly

Card game combo cart

Sugoroku Card Battles

It's basically Triple Triad

GB Roguelike

Dragon Quest meets Mega Man meets Zatch Bell

Basically WarioWare, but as a game jam

It's like MS Paint, but for the Gameboy

Basically Jump King for the Gameboy

Ninja + Origami deck building RPG

Gameboy's next Tetris????