Because the game came out for the Nintendo 3DS. The Wii already has a Mario Kart game - Mario Kart Wii, which came out in 2008.
No. Mario Kart 7 is ONLY for the 3DS. Mario Kart Wii is not the same thing as Mario Kart 7.
Mario Kart 7 is for the 3DS, not the Wii U. It's Mario Kart 8 that's for the Wii U. And yes, you can get Mario Kart 7 by downloading it from the eShop.
No, Mario Kart 7 is for the Nintendo 3DS
Mario Kart 7 wasn't made for the wii. It can only be played on the 3DS.
Nintendo has no plans to make a Wii version of Mario Kart 7.
No, Mario Kart 7 can only be played on the Nintendo 3DS
A new installment for Mario Kart was announced on the Wii U
No, Mario Kart 7 can only be played on the Nintendo 3DS
Mario kart 7 is coming on December 4,2011
you can not at all only for mario kart 7 you can
Since Mario Kart 7 is made for the Nintendo 3DS game, the Wii cannot play it.