Field Defender is an Android app developed by Ezjoy (No.23, Lane 1850 ChengShan Road, Pudong New District, Shanghai, China 201203). Others apps created by Ezjoy are: Bubble Bird Rescue, Garden Mania 2, Garden Mania 3, Marble Blast 2.

Field Defender first became available on 16 Aug 2013. It is estimated that Field Defender has been downloaded between 100000 and 500000 times from the Play Store.

Field Defender 1.0.5 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows access to the list of accounts in the Accounts Service.

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

Allows an application to write to external storage.