Nintendo handhelds are region free (except for DSiware) - there is no region locking, nor compatability issues, a GBA from any region will GBA games from any other region.
gameboy camera would work
No, they do not work
Yes it does, trust me.
No its the other way around
No.
Yessiree.
All Game Boy games (Original up to Advance) work in the GBA. GBA micro's do not work with them, and only work with GBA games.
No its the other way around
no it does not
no i tried it wont work =(
No. VisualBoy Advance only supports Game Boy, Game Boy Color, and Game Boy Advance games.
Yes it will.