For many, using to launch PS1 ISOs from the hard drive is simpler than creating PKG files—though you lose the XMB integration.
Must be formatted to FAT32 for the PS3 to recognize it natively, though tools like Irisman or ManaGunZ can read NTFS or exFAT drives to copy files to the internal HDD. Installation Methods 1. Direct PKG Installation (USB) Ps1 Pkg Games For Ps3 Download