This is where things get complicated. The PS3 used the —a notoriously complex, non-x86 CPU. The PS4 uses a standard x86_64 AMD Jaguar architecture. These two are not natively compatible. Therefore, a "PS3 to PS4 PKG" is not a direct port; it is often a wrapper or an emulation layer packaged as a PKG.
To transfer your PS3 games to your PS4 and install PKG files, follow these steps: ps3 to ps4 pkg install
Attempting to install a PS3 PKG on a PS4 will result in a “Corrupted Data” or “Unsupported Format” error. This is where things get complicated
Installing PS3 Go to product viewer dialog for this item. games on a PS4 Go to product viewer dialog for this item. ps3 to ps4 pkg install