CONTRACT KILLER: SNIPER – A new threat as appeared! Cyborgs and Mechanized Combat Units are invading cities around the world. Behind this nefarious act is a secret military organization which have been kidnapping scientists for use in developing their once-secret nanocrystal technology, which is at the heart of their cybernetic augmentation project. You have been hired to push back this invasion, at all costs!

APK MOD INFO
Name of Game: CONTRACT KILLER: SNIPER
VERSION: 6.1.1

Name of the cheat, mod, or hack (credits: wendgames):
-UNLIMITED AMMO/NO RELOAD
-NO GUN KICK
-NO GUN SWAY
-NO HEAT COOLDOWN
-CRITICAL CHANCE/HEADSHOT DAMAGE RAISED

CONTRACT KILLER: SNIPER MOD APK 6.1.1 (Unlimited Ammo/No Reload & More)

Download the CACHE file/OBB file. They should be .zip or .rar files.
Extract the file to your sdcard.
Move the extracted folder to the location: /sdcard/Android/obb