Questions bout Nintendo DS

[Delirium_]

I recently acquired a Nintendo DS (Wifi version) and was wondering if anyone knew how far the \"zone free\"-ness of it goes??

I know that technically you can import japanese games and play them on a european DS but I haven\'t checked. Anyone know this for sure if it works??

Also... does that mean the Gameboy (Advanced) games can be played too? The DS self is zone free but they never mention the games so can you play a US or Japanese version of a gameboy (advanced) game on the DS with no problems??

Finally, WIFI connection in Belgium... wheeeeeeeeere???

If anyone can help with these questions Id be glad.

Thanks