Most .pkg games require a license file called a .rap file. These must be placed in a folder named exdata on the root of your USB drive for the game to activate. Methods for Downloading and Installing
Los archivos .pkg son paquetes de instalación utilizados por el sistema operativo de la PlayStation 3. A diferencia de las carpetas de juegos (JB Folder), los archivos se instalan directamente en el XMB (XrossMediaBar) de la consola, funcionando como si fueran juegos descargados de la PSN Store.
Because FAT32 does not support files larger than 4GB, larger games must be split using a tool like PS3Splitter , or transferred via FTP or an NTFS drive with a file manager like Irisman . Installation Steps For games that fit on a standard FAT32 USB drive: 4GB Files - ConsoleMods Wiki