Mario Maker on Wii U coming in September

Mario Maker, the do-it-yourself Mario level creation game, will arrive on Wii U in September, Nintendo revealed during a presentation today

Nintendo revealed Mario Maker during E3 2014, though news of the game leaked out just ahead of its official debut. The game will let players on Wii U design their own 2D Mario game levels in the various styles from in the style of Super Mario Bros., New Super Mario Bros. U, Super Mario Bros. 3 and Super Mario World.