The phone game is usually played during eating, where there is wireless internet available. All participants must put their smartphones on the table, stacked on each other after ordering their meal. All phones must remain untouched until leaving the place. First one to check his/her phone is the loser, and picks up the tab.
The game assures a good conversation during eating.
Dude, let's play the phone game!
No way, I'm texting this hot chick from last night!