Use trustworthy ROM sites that have been vetted by the emulation community. Avoid pop-up-heavy, suspicious domains. Recommended safe archives include:
Some developers create homebrew projects that attempt to recreate specific maps or modes (like Zombies) from Black Ops 2 using custom engines compatible with PPSSPP. Key Features of Black Ops 2 PPSSPP Mods Call Of Duty Black Ops 2 Ppsspp File Download
Here are some steps to download the Call of Duty: Black Ops 2 PPSSPP file: Use trustworthy ROM sites that have been vetted
, which is the only official Call of Duty game ever released for the PSP. What they do Call Of Duty Black Ops 2 Ppsspp File Download
If you find a download link for this game on an emulator, you are likely looking at one of the following: