A free program for Android, by Agile Games Studio.

Gun Killer Strike: Counter Terrorist – War Game is one of the most realistic FPS shooting games where you are a member of the Special Forces Commando. Therefore, you will have to prove yourself as an expert in shooting games. You are going to perform critical counter-terrorist missions. 

Your missions will also be quite unique and interesting. You will have to play as an elite shooter and destroy the enemy in this war-themed game. In addition to this, you will also have to locate the enemy camps and eradicate them.