PlayStation 3 package files, commonly known as PKG files, are digital installers used for games, applications, and system updates. While originally the format for official PlayStation Store content, PKG files are now widely used in the homebrew community to install backups and custom apps directly onto a console's internal hard drive. Advantages of PKG Format
"Exactly," Mateo said, leaning back triumphantly. "No laser grinding. No disc heat. The fans don't even have to spin up as much because the drive isn't generating heat. 'PKG better' isn't just a slogan. It’s the ultimate version of the console." juegos para ps3 pkg better
RAP File: The license or "unlock key." Without a matching RAP file in the console's exdata folder, the game will usually display a licensing error upon launch. Installation Methods PlayStation 3 package files, commonly known as PKG