Set to 2x PSP (or 1x if your device is low-end).
Move the .ISO file to a dedicated folder on your device storage named "PSP GAMES". Launch the Emulator: Open the PPSSPP app.
: Once extraction concludes, ensure a file ending in .iso is present.
: Many community creators release "ISO mods" or "textures" for the original Call of Duty: Roads to Victory that change the menus, skins, and weapons to look like Black Ops 2.
If the download included a custom PSP folder with textures, copy it and paste it into your device's root directory, merging it with your existing PSP folder. This overrides the default graphics with Black Ops 2 assets.
The PSP and the PS Vita are not the same device. PPSSPP is an emulator specifically for the PlayStation Portable (PSP). It is not designed to run PS Vita games. Therefore, Call of Duty: Black Ops: Declassified be played on PPSSPP.