Physical discs can scratch or decay over time. Creating or using a PKG backup ensures the game remains playable even if the physical media fails.
No more swapping discs. Your entire library is accessible directly from the PS4 menu. How PS4 PKG Installation Works ps4 pkg roms
Running games directly from the internal HDD or a high-speed external SSD via PKG installation is often faster than reading from a physical Blu-ray disc. Physical discs can scratch or decay over time