To download the Call of Duty: Black Ops PPSSPP game, you'll need to follow these steps:
The flash on his camera blinked once, blindingly bright, and the room went silent. When Leo looked back down, the emulator was gone. In its place was a single text message from an unknown sender:
If you're looking for the actual game, I can help you find: The official store pages for mobile CoD titles. System requirements for running high-end emulators.
Though the main Black Ops (2010) was never ported to PSP, portable versions exist on other systems: