Can I look for friends on Tinder?

You can only search for a specific person on Tinder if youre matched with that person. To search for someone in your match list, tap the message bubble icon on the main screen > press and pull down on the screen until a search bar appears > type that persons name in the search bar.

What does just for fun mean?

: simply to have fun The kids want to camp in the backyard, just for fun.