Which is better 3ds or wii u?

I want to play online ('_')

Ayaw nyo talaga makipag laro sakin?

Let's play Mario Kart 7 3ds,add me guys 4525–1539–5835 drop yours too so i can add you.

Let's play Mario Kart 7 3ds, add me 4525–1539–5835 and drop yours too so i can add you guys.

Let's play Mario Kart 7 together.

I want to play Mario Kart 7 online.