It's been a struggle for Nintendo to sell the Wii U. People got confused about it early on. And there's been some difficulty communicating just what's cool about Nintendo's latest console to the average consumer. So why not have Mario show the nice people what Wii U can do?
The Wii U doesn't have the easily-understood, lightning-bolt singular feature of its predecessor. Plans are afoot as far as how to face Nintendo's challenges but it's not a bad idea to have the company's most famous character show off the many things the Wii U can do in some very cute pictures.
Streaming movies and TV!
Cooking! No, wait... internet browsing!
And, yeah, it plays games too! You don't even need a TV most times.