Boom is a classic similar to minesweeper. You have to open the cells pulling on it but beware that some of them are hiding bombs that explode and lose the game. When you discover an empty cell, it will help, because inside you indicate that number of pumps are next to it.
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.