How to Play Pokémon Emerald on PSP

The PSP cannot natively run Game Boy Advance cartridges. You have two unofficial paths:

Option 1: GBA Emulation (Custom Firmware Required)

1. Install CFW: 6.61 PRO-C2, ME, or Infinity on a hackable PSP (1000/2000/3000/Go).
2. Install Emulator: gpSP-J (best compatibility/speed) or TempGBA (RetroArch core). PPSSPP is for PSP games, not GBA.
3. Legal ROM: Dump your own Pokémon Emerald cartridge using a GBxCart RW or similar hardware. Downloading ROMs you don't own is copyright infringement.
4. Configure: Map controls (L/R = L/R, Start = Start, Select = Select, D-Pad/Analog = D-Pad). Enable "Real Time Clock" for berry growth/tides.

Option 2: Flash Cart (Original Hardware Feel)

• Buy a GBA Flash Cart (EZ-Flash Omega Definitive Edition, EverDrive GBA X5/X7).
• Load the legally dumped ROM onto the cart's microSD.
• Insert into PSP's GBA slot? Impossible. PSP has no GBA slot. This only works on GBA/DS Lite/DSi/3DS (via Twilight Menu++).

Correction: Flash carts do not work on PSP. Emulation (Option 1) is the only way on PSP hardware.

Better Alternatives

• Android/iOS: My Boy!, Pizza Boy GBA, or RetroArch (free, excellent).
• PC: mGBA, VBA-M, RetroArch.
• 3DS (Virtual Console / Twilight Menu++): Native GBA support via AGB_FIRM.

Legal Note: Only use ROMs dumped from your own cartridge. Nintendo actively enforces copyright on Pokémon ROM distribution.