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!!!!!!!
Nowhere.
Yes
freedsather.com
Yes, nintendos handheld games are region-free.
$129.99 for a DS and $169.99 for a DSi
Yes, the DS is region free.
Currently, there is not a free download of the full version of Catz for the Nintendo DS. You can download a free trial version though.
As far as I know i dont think you can get free ds games.
There are several types of Nintendo DS systems ranging from the Nintendo DS, Nintendo DS Lite, Nintendo DSi, and Nintendo DSi XL. The newest version of the Nintendo DS is the Nintendo 3DS and Nintendo 3DS XL.
The corporation of Nintendo created the dsi.
You can get free DS game demos by taking your Nintendo DS to a download station at retail stores such as Best Buy and GameStop and downloading the demos to your DS.