My friend and her bf @ the dance!!!?

my friend and her bf went to the dance. they where playing around and flirting. they where on the bleachers and he had her phone. so she was tryin to get it back. but then gave up and was holdin her hand toward him waiting for him to give her her phone. so then he kissed her on the cheek. he gave her back her phone and she took his. but then they where sittin there holdin hands. what does this mean for them cuz she is freaking out,