That phrase typically relates to searching for a PlayStation 4 package file (PKG) of Call of Duty: Black Ops 2 — a game that was originally released for PS3, Xbox 360, and PC, and is as a native PS4 disc or digital download. PS4 PKG files of this game are almost always associated with unauthorized backups, custom firmware (CFW), or piracy.
While the game remains a fan favorite, it was originally developed for the PlayStation 3, Xbox 360, and PC. Why You Can’t Find an Official "PS4 PKG" call of duty black ops 2 ps4 pkg
If you encounter "Black Ops 2 PS4 PKG" links, they are almost exclusively related to the PS4 Homebrew and Modding Modified Consoles That phrase typically relates to searching for a