For PPSSPP users, the best you can achieve is playing these official Call of Duty titles:
Yes! PPSSPP has built-in ad-hoc emulation. You can play Roads to Victory online with friends via "Pro Ad-hoc Server" or local Wi-Fi. Call Of Duty Black Ops 2 Ppsspp File Download
Because an official PSP port does not exist, any "PPSSPP ISO" or "file download" labeled as Black Ops II is typically one of the following: 1. Fan-Made Mods For PPSSPP users, the best you can achieve