Phone Stacking

You tired of going to the bar or the restaurant and sit talking to himself while his friends talk with other people using a smartphone?

We've solved this problem in a simple way:

Just create a new game and match the award/punishment with his friends (can be from pay a beer or turn a dose even count that secret that everyone wants to find out for years) and lock the screen of your smartphone.

When one of his friends who are in game, unlock your smartphone to view any message, the application warns everyone that he is the loser of the round!