Will you stop with the immature questions already, if you can't find the answers yourself then you're too young to be kissing on anyone, now go away troll!
Well, I am sure they wouldn't hug and kiss someone they didn't like. But if you are asking if they are romantically interested, you will have to ask him or find some other way to find out. There are good friends I hug and kiss on the cheek when saying goodbye.
Ask the dude! We have no way of knowing.
He's a walking hormone... Remember that!