If you want a high-quality open-world Rockstar experience on your PSP, forget the fake GTA IV ISO. Here is the reality:
Any file labeled "GTA 4 PSP ISO" is a , typically built on the engine of existing PSP titles like GTA: Liberty City Stories or GTA: Vice City Stories . Official GTA Titles for PSP Gta 4 Psp Iso Rom High Quality Download
Many homebrew sites offer character swaps for Liberty City Stories that allow you to play as Niko Bellic throughout the standard LCS campaign. 4. Better Alternatives for Mobile Play If you want a high-quality open-world Rockstar experience
: Downloads claiming to be "GTA 4 for PSP" are usually "mods" of other games (like GTA: Liberty City Stories ) or, more dangerously, malware designed to harm your device. Modders change the character model to Niko Bellic
: These are usually modified versions of Grand Theft Auto: Vice City Stories or Liberty City Stories . Modders change the character model to Niko Bellic and update the UI/map icons to look like GTA 4, but the gameplay and world remain the older PSP titles.
If you want to play a legitimate Grand Theft Auto game set in Liberty City (the same setting as GTA 4) on your PSP or PPSSPP emulator, you should look for these official titles: GTA: Chinatown Wars
If you do manage to download a file labeled "GTA 4 PSP," you are likely getting one of these two scenarios: