I've never seen a commercial for anything else than Wii Sports. Does Nintendo advertise for other games in other countries? It's very odd actually, as there are LBP ads all the time, and a lot of X360 commercials.
I wish there were Nintendo ads in my country :(
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS