You can only use it for Mario Kart 7 at this point.
Yes no metter what 3DS is a 3DS
No a Nintendo 3DS can not play a PS3 game of any title
Yes, you can play a Nintendo DS game on the 3DS. You can't use the 3D function with DS games, though.
3DS games do not have friend codes, it is the friend code of the 3DS itself that you use, to be able to play multiplayer on a 3DS game.
The game can be played on a 3DS but it cannot use the 3D images.
Yes it does
The 3DS game ID is located on the front of the 3DS gamecard.
No, 3DS games will only work in a 3DS.
No, the 3DS is region locked.
Fire Emblem: Awakening is the best game for Nintendo 3DS.
there is no puss in boots the video game in the 3ds
There is no 3DS-exclusive Brain Age game, but you could play the DS Brain Age game on a 3DS.