READ_EXTERNAL_STORAGE: Allows an application to read from external storage.
WRITE_EXTERNAL_STORAGE: Allows an application to write to external storage.
Other permissions
ACCESS_NETWORK_STATE: Allows applications to access information about networks.
BLUETOOTH: Allows applications to connect to paired bluetooth devices.
BROADCAST_STICKY: Allows an application to broadcast sticky intents. These are broadcasts whose data is held by the system after being finished, so that clients can quickly retrieve that data without having to wait for the next broadcast.
INTERNET: Allows applications to open network sockets.
MODIFY_AUDIO_SETTINGS: Allows an application to modify global audio settings.
WAKE_LOCK: Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
WRITE_SETTINGS: Allows an application to read or write the system settings.