New Mac book without keyboard

Apple has never fail to impress us as a consumer. This time round they has introduce a mac book without keyboard. The new mac book is call the Macbook wheel. The keyboard is replace by a slick touch wheel, put your finger on the wheel and rotate it gently to select your file and a slight tap on the wheel will open the file or program. It also has the predict sentence funtion to reduce your typing time, since like keyboard will be a thing of past in the near future. But one question is how are gamers going to play game with just a slick wheel?