Galaxy TD is an Android app developed by DH Games (High-tech zone, Yizhou Ave North Section,
 Chengdu, Sichuan, China). Others apps created by DH Games are: Treasure Defense, Castle Defense 2, Dungeon Rush, Kingdom in Chaos.

Galaxy TD first became available on 12 Sep 2013. It is estimated that Galaxy TD has been downloaded between 5000000 and 10000000 times from the Play Store.

Galaxy TD 1.2.3 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

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 an application to write to external storage.