Yes, but most games are only in Japanese. so if you know Japanese go for it!
Yes. The DS lite is not region locked, a Japanese model will play DS games from the US.
Yes, they do since Nintendo DS games are not region locked
Yes. DS games are not region locked.
Yes, the game will be in Japanese though.
DS games are region-free, a Japanese DS game will work fine on a DS from the US.
Most likely, the DSs aren't any different.
Nope
Yes, you can, DS games are region free.
yes any language games
Yeah, they can
Yes, DS games are region free.
Yes.