PPSSPP 1.11.3 - Gran Turismo Fast Memory Huge FPS Drop · Issue #14285 · hrydgard/ppsspp · GitHub
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Xenn's GT PSP Research Topic | GTPlanet
forcing 30fps games running at 60fps with cheats (more details in comments) : r/PSP
How to download Gran Turismo PSP for free with your PSP Go - Video Games Blogger
