Kingdom Guard is an Android app developed by tap4fun (Tianfu St,Tianfu Software Pk,A3Chengdu, Sichuan610041China). Others apps created by tap4fun are: Age of Apes, Brutal Age: Horde Invasion, Dead Empire: Zombie War, Kiss of War, Invasion: Modern Empire.

Kingdom Guard first became available on 25 Mar 2020. It is estimated that Kingdom Guard has been downloaded between 5000000 and 10000000 times from the Play Store.