Less legs than the mario games but well, that's really success, huge sales. (and that opening week was crazy!) It's without a doubt a good decision Nintendo made by realeasing it on 3DS.
Prediction: End of 2015 Hardware sales (as of January 20, 2015)
Wii U: 12.1M | XBO: 19.8M | PS4: 36.0M | 3DS: 58.5M | PSV: 11.7M