New Super Mario Bros. U Confirmed

During their E3 2012 presentation, Nintendo showed off and confirmed their new game New Super Mario Bros. U. It was also confirmed that Miiverse will be integrated into the game, and new features will be present in the game, such as baby Yoshis, and an all new Boost Mode, which lets the player with the Wii U GamePad add blocks in to the game and assist other players. What do you think about this game from Nintendo?