Software: the Game Boy Advance has nearly 700 titles available, all of which will be playable on the Game Boy Micro.

ENGADGET: The Game Boy Micro: What we know

Given that Game Boy games are written to a fixed resolution, Nintendo has not had that luxury with its Game Boy Micro.

ENGADGET: Switched On: The Game Boy Micro pulls off the screen play

Marketing angle: "We're making the gorgeous Game Boy Micro for image-conscious folks who love video games, the ones who want the look of their system to be as cool as the games they play on it" according to George Harrison, Nintendo of America Sr.

ENGADGET: The Game Boy Micro: What we know