save data on the PSP (or the PPSSPP emulator) is stored in a specific folder structure on your memory card that allows you to back up progress or install community-made roster updates.
At its core, save data (often found as ULES015760000 or ULUS105230000 depending on your region) is a folder on your PSP’s Memory Stick or emulator’s virtual memory card. It stores everything from your Career Mode progress to your controller settings. fifa 14 psp save data