Game Boy Color brought color gaming to Nintendo's handheld line in 1998. It maintained backward compatibility with original Game Boy games while adding vibrant color graphics.
Full-speed emulation including original Game Boy games on all R36 models.
The chip is the same in every model, so the rating is too. What differs is the screen: 4:3 panels suit most home consoles, the 1:1 square panel suits Game Boy and GBA and shows 4:3 games with bars.
The R36 handheld family runs Gameboy Color titles with perfect compatibility out of the box.