Nintendo announced the designer "make your game Super Mario"

At the presentation made during E3, Nintendo announced an interesting game level designer for Super Mario. True, this constructor is not for the 8-cue ball, but for the Wii U.

Of course, this new product is designed for fans / fans of a series of games about Mario plumbing, which are still quite a lot.
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The designer allows you to create a game either in the style of New Super Mario Bros. U, or in the usual style of Super Mario Bros.

In general, it is now possible to create your own levels and design for the “warm tube Mario”.