Ask most anyone in Japan what a "DS" is, and they probably won't know. Start humming Utada's "Easy Breezy," though, and they'll instantly draw a connection to the twin-screened Nintendo portable.

Following last week's Nintendo DS commercial debut in Japan, Nintendo is back with a second teaser ad for the system. As with the first spot, Japanese pop star Utada Hikaru and the "Easy Breezy" track ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Pop icon, Utada Hikaru–also known as Utada–has long been associated ...