They are playing a game called roblox, on the app store.Roblox is an online game platform and game creation system developed by Roblox Corporation that allows users to program games and play games created by other users. In the game called roblox,they are playing dahood in roblox. Dahood is a game in roblox that is for 13+ players. it allows voice chat and you can shoot others or be a police and arrest them. For example, if you shoot and stomp 7 people, you will earn 400 or 200 criminal record.