You cannot install these files on a standard PS4. You must have a console running a firmware version that allows for a jailbreak (typically 9.00 or lower, though this changes with new exploits).
For users with standard (non-jailbroken) consoles, the PS4 game
Using tools like RetroArch, developers create standalone PKGs for games like Super Mario World (SNES) or Super Mario Bros. 3 (NES).
With RetroArch, you can play classic Mario games via ROM files: Super Mario World (SNES) Super Mario 64 (N64) 2. Native Porting (The "Super Mario 64" Example) super mario ps4 pkg
Instead of individual game PKGs, many users install , a massive multi-system emulator packaged as a PS4 PKG. Once RetroArch is on the console, you can load any classic Mario ROM file (from the NES era up to the Wii era) through the application. Requirements to Run Custom PKG Files
The original N64 code was decompiled into C. Homebrew developers then compiled this code to run natively on the PS4 hardware.
Formatting a USB flash drive or external hard drive to the exFAT or FAT32 file system. You cannot install these files on a standard PS4
This section addresses an unavoidable reality: most methods for playing Mario games on PS4 involve legal gray areas at best.
Super Mario PS4 PKG: Bringing the Mushroom Kingdom to Sony’s Console
"Super Mario PS4 PKG" represents a compelling intersection of gaming history, technical ingenuity, and legal complexity. The native port of Super Mario 64 to PlayStation 4 demonstrates the remarkable capabilities of the homebrew community—taking a fully reverse-engineered classic and making it run natively on competing hardware. 3 (NES)
Many Mario PKG files found online are actually classic ROMs bundled inside a pre-configured emulator.
Within the community, you'll often see two key terms: