Yes
Yes. All games are compatible with all systems. Except for the playstation 2. In that case American ps2 games don't work on English ps2's.
Yes, they will work since DS games are not region locked.
Yes, since Nintendo DS games are not region locked, the Japanese DSi can play North American games. The Japanese DSi is not physically different than the North American DSi so accessories will work as well.
It Should!
All Nintendo DS are region-free, there is no regional lockout. Any Nintendo DS game will work with any Nintendo DS, and any Nintendo DS game is compatible for multiplayer with another Nintendo DS game, of a different country of origin. I DON'T KNOW!!!!!!!
Yes, the DS is not region locked.
no
American DS games will work on an European DS. The original Nintendo DS handheld game console was available between 2004 and 2007.
All games that work on Nintendo DS will work on Nintendo DS-i
no of course not!!!!
yes