A free program for Android, by GponStudio.

Play Call of Counter Strike CS Duty Free in our exciting new first-person shooters (FPS) Modern Sniper Duty Action Counter Strike game. You will experience FPS action games with many maps and missions in the Modern Sniper Duty game. You will be a part of the counter-strike forces, which are trying to eliminate a terrorist group shooting with sniper guns.

The game is based on the real world of the 21st century. The world of the game is full of dead targets, enemies, and critical missions. You have to complete the critical missions of the FPS game and eliminate all the enemies to make way for your unit. There are also infinite missions in the game, where you can try to survive from the enemies as long as you can.