You're with that special someone at the movies. You want to kiss. Maybe you'll tell him you want to kiss him and end up rejected if he doesn't. That's why kissing games are so popular. You're kissing because you have to.
Kissing games are also a good way to try different ways of kissing.
When the bottle stops spinning you kiss the person it's pointing to. After you've kissed him once, you know he wants to kiss you. The first kiss is the hardest. You could ask him to kiss you, but that takes a lot of courage. But you can tell, without reading his mind.