(which is over 25GB on PC) cannot be properly compressed into a standard mobile APK without significant data loss or instability. How to Play COD 4 on Mobile (Verified Path) The only verified way to play the full Call of Duty 4: Modern Warfare on an Android device is through Own the game on PC : Purchase it through an official store like Use Remote Play : Use official streaming services like Steam Link Xbox Remote Play
You likely downloaded a malware APK. Only use Winlator from GitHub or the fan port from the developer’s official channel. Also, ensure you have 500MB+ free storage before installing. (which is over 25GB on PC) cannot be