Crazy Wheel is a spinning-wheel game: press to spin, watch it slow, and take whatever segment it stops on. There's no skill and no decision beyond whether to spin again.
It works as a two-minute distraction, and as a small demonstration of why wheel mechanics are so widely used in games — the deceleration is genuinely tense even when nothing is at stake.
No — the result is random. The tension of the deceleration is the entire appeal.
No — it's a free browser game with no stakes.
Yes — tap to spin. Nothing to install.