Simply put, controls are mediocre, and the lack of wifi is disappointing. But Mario Hoops still makes a descent game.
The controls for this game are easily put, a Nintendo gimmick to sell the touch screen. The controls are hard to get, and just don't feel right, it is hard to control everything with something as odd as tapping the screen and drawing circles with it. As time passes (a long time), you get used to it, and it seems to be an ok system. Don't expect to play this with friends right away, they need to take the time to play it out and try it out.
The gameplay itself, other than the controls is fun, you have your usual tournaments, unlockables, and of course Nintendo characters. They specials make the game a joy to play, if not for the controls.
The graphics are really nice, the usual Nintendo look and polish has been given to this game. You will feel like you are ina basketball game with Mario.
Overall the game is decent. It would have been an immediate classic if not for the mediocre controls and lack of wifi.