Drock is an Android app developed by ZT.art (17th floor ,Tower A,China International Center NO.33 Zhongshan 3rd Road Yue Xiu district,GuangZhou,China).

Drock first became available on 30 May 2014. It is estimated that Drock has been downloaded between 1000000 and 5000000 times from the Play Store.

Drock 1.9.1 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows an application to change whether an application component (other than its own) is enabled or not.

Allows an application to install a shortcut in Launcher.

Allows applications to open network sockets.

Allows an application to read from external storage.

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.

Allows access to the vibrator.

Allows an application to write to external storage.