For an authentic Black Ops experience on mobile, Activision provides official apps directly through the Google Play Store: Download - Call of Duty: Black Ops Zombies APK for Android
Check for any potential misinformation. For example, if someone tried to mod a game to run on a PSP, that's possible but would be of extremely low quality and not advisable. Also, some sources might trick users into downloading malware, so it's important to warn against unofficial sites. For an authentic Black Ops experience on mobile,
Clicking through complex link-shorteners to get to the "exclusive" file often forces your device to download intrusive adware apps. adapted for the mobile platform.
Experience the adrenaline of holding off zombies, adapted for the mobile platform. For an authentic Black Ops experience on mobile,