Circum is an Android app developed by ZHENG XIAOYUN.

Circum first became available on 27 Aug 2014. It is estimated that Circum has been downloaded between 10000 and 50000 times from the Play Store.

Circum 3.1.2200 requires the following permissions:

Allows an app to access approximate location. Alternatively, you might want ACCESS_FINE_LOCATION.

Allows an app to access precise location. Alternatively, you might want ACCESS_COARSE_LOCATION.

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows applications to change Wi-Fi connectivity state.

Allows applications to open network sockets.

Allows an application to modify global audio settings.

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 an application to record audio.

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 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.