Since a "PSP Eboot" of GTA: San Andreas is technically a fan-made port (often utilizing the PS Vita's "RenderHooks" or a modified version of the mobile codebase), a killer exclusive feature would be "Retro-State" Cross-Play. Feature Name: "The Low-Poly Link"

Skip unless you’re a PSP homebrew enthusiast with patience for lag and glitches. For the definitive handheld GTA experience on PSP, play Liberty City Stories or Vice City Stories – both run beautifully. For San Andreas on the go, use a modern smartphone, PS Vita (with Adrenaline), or Steam Deck.

Recent "exclusive" leaks suggest a team is working on a stripped-down version of the San Andreas map that removes interiors (like the gym and burglary houses) to free up RAM. If this succeeds, we may see a playable, mission-complete version within two years.

These mods are notoriously buggy. Because the PSP has only 32MB of RAM (half of the PS2’s 64MB), the draw distance is severely limited, and the frame rate can drop to 15-20 FPS in rural areas.