Officially, Activision has not released a direct port of Black Ops 3 for Android. Instead, the company focuses on Call of Duty: Mobile and Warzone Mobile .

If you find a legitimate fan-made project or a mobile version, you will likely deal with two specific file types:

Running the game via advanced Windows emulators for Android (like Winlator or Mobox), which requires a high-end device. Understanding APK and OBB Files

Running a game of this magnitude—even a fan-made version—requires significant hardware: Android 9.0 or higher. RAM: At least 6GB (8GB recommended). Storage: 4GB to 10GB of free space. Processor: Snapdragon 845 or better. Safety Warning: Avoid "Free Install" Scams

Go to your phone’s and toggle on "Install from Unknown Sources." This allows you to install apps outside of the Google Play Store. Step 2: Install the APK