Miis
* You can create Miis easily with the camera or just download them using a code generated by the system.
* Miis are used in the street pass puzzle game, you need new people to get pieces of a puzzle, those puzzles unlock pictures of nintendo characters, the other game is Street Pass Quest, you need help to rescue your Mii and get some extras like hat in the AR games.
* You can't create Miis out of plushies or simple drawings
Camera
* The camera uses MPO and JPEG formats you can actually download 3D pictures from another 3DS and other sources.
* The game that involves the camera is "Face Riders" actually the faces have animations but you need to positionate it in the right place to see the effect. (Creppy Kanye West, Badass Broly)
* In theory you can take 3D video with a future update.
Music
* The stystem store MP3 format
* The music visualizer is quite complete and pretty fun actually.
