Q: Is it legal to convert PS3 games to PS4 PKG files? A: The legality of converting PS3 games to PS4 PKG files is complex and depends on your location and ownership of the game. Gamers should only convert games they own and have the rights to play.
because the two consoles use fundamentally different hardware architectures. The PS3 is powered by the complex Cell Broadband Engine , while the PS4 uses a standard x86-64 architecture convert ps3 games to ps4 pkg