FileMaster is an Android app developed by Youmi (No.1402，Block A TianAn Digital City, FuTian,Shenzhen City, Guangdong Province, PRC).

FileMaster first became available on 18 May 2014. It is estimated that FileMaster has been downloaded between 100000 and 500000 times from the Play Store.

FileMaster 2.1.0 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Required to be able to access the camera device.

Allows an application to modify the current configuration, such as locale.

Allows applications to enter Wi-Fi Multicast mode.

Allows applications to change Wi-Fi connectivity state.

Allows an application to clear the caches of all installed applications on the device.

Allows an application to find out the space used by any package.

Allows an application to install a shortcut in Launcher.

Allows applications to open network sockets.

Allows mounting and unmounting file systems for removable storage.

Allows an application to read from external storage.

Allows an application to read the low-level system log files.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.

Allows applications to set the wallpaper.

Allows an app to create windows using the type TYPE_SYSTEM_ALERT, shown on top of all other apps. Very few apps should use this permission; these windows are intended for system-level interaction with the user.

This permission is no longer supported.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.

Allows an application to read or write the system settings.