Kahoot! can be played on a computer, a laptop, an iPad, or a cell phone. As long as you have access to an internet connection and web browser, you can play from anything. Here is a quick walk through of Kahoot! I took a lot of screen shots so you get a feel for the game part of the site. I was also in the preview mode, not the full game of the literal equations review/quiz that I had made. The cell phone is only on the side when you play a preview of a review/quiz.
Students are then prompted to enter a username. I know when I do this next year, I will assign the group names to the students. This was the most time consuming part. As students enter their username, it appears on the screen. When all of the students are entered, push the start now button and the review/quiz will begin.
The question comes up without choices to give students time to read it before the choices appear.
I usually don't talk about a website to this extent, but this is actually one that I am excited about and think it will be useful next year to switch things up and do something different.