The app uses the Global System for Mobile Communications (GSM) telephony radio system. Allows an app to create windows using the type TYPE_SYSTEM_ALERT, shown on top of all other apps.Īllows applications to access information about networks.Īllows applications to open network sockets.Īllows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.Īllows an application to broadcast an Intent to set an alarm for the user.Īllows an app to access approximate location.Īllows an application to read from external storage.Īllows an application to write to external storage.