He had successfully injected a custom texture pack that transformed the generic "Konami Stadium" into a vibrating, pixelated Maracanã. When he scored a goal with a custom-textured Messi—wearing boots that didn't officially exist in the game's code—the PSP groaned, the fan whirred, and for a second, the frame rate dipped.
The grass is the stage.
Android/data/org.ppsspp.ppsspp/files/PSP/TEXTURES/ (Note: On newer Android versions, you may need a specialized file manager to access the Android/data folder). Windows: Documents\PPSSPP\PSP\TEXTURES\ Step 3: Move the Texture Folder pes 2014 psp textures