Can You Get in Trouble for Playing PS4 Games with `.pkg` Files?

http://deancfgb923.lowescouponn.com/are-pkg-files-the-key-to-free-ps4-games-the-risks-explained

To play PS4 games using `.pkg` files, your console must be jailbroken. Jailbreaking involves modifying the PS4’s software to allow the installation of unsigned (unofficial) software, which includes `.pkg` files