A: No. The game was released on FW 3.55, so it runs natively.

God of War III Remastered (PS4) file works on modified consoles, specifically those running custom firmware or "GoldHEN". While it is a stable release, its performance and functionality depend on your system's firmware and the source of the package. Does the PKG Work? On Modified PS4 Hardware : Yes, the

If your PS4 is jailbroken, you cannot install PKGs — just buy it from PSN (it's often on sale for ~$10).