Yes
Chat with our AI personalities
It needs wifi.
yes it does
if wifi means connect with other players than it aready has wifi
No, as it uses local WiFi connections.
Every single ds, ds lite, dsi, and dsi XL comes with built in wifi. To get to it, you have to have a wifi compatible game, and there will be wifi settings somehwhere on the game. You have to edit the settings. But i cant help you there. :)