You need to ensure your PC can emulate the game smoothly. If it runs poorly on a modern PC, it will run horribly on a PS4. Aim for 60 FPS on PC.
Only tech demos (no commercial games) have been shown. The community agrees this is a dead end without massive manpower. convert ps3 games to ps4 pkg
Sony and developers have released PS3 games repackaged as PS4 PKG files (e.g., The Last of Us Remastered , Uncharted: Nathan Drake Collection ). These are full rebuilds of the game, not conversions. You need to ensure your PC can emulate the game smoothly
Place your PS3 game dump inside the usr folder according to RPCS3's file structure: The Last of Us Remastered