If you truly want to play Black Ops 2 on the go, consider using or a PC handheld. Alternatively, Call of Duty: Mobile features many maps and weapons directly from the Black Ops 2 series and is optimized for touchscreens. Call of Duty: Mobile
Extract the Data: Use an app like ZArchiver to extract the file. Highly compressed files are often in .7z or .rar format. Call Of Duty Black Ops 2 Ppsspp Highly Compressed
The original PC/Console version of Black Ops 2 requires about If you truly want to play Black Ops
Highly Compressed Call of Duty: Black Ops 2 for PPSSPP: A Review and Analysis Call Of Duty Black Ops 2 Ppsspp Highly Compressed
Some creators have developed homebrew mods using other game engines to recreate Black Ops 2 Zombies or multiplayer for the emulator, but these are not the full game.