Usually a "100% complete" save file that unlocks all characters, stages, and maxes out "D-Points" (currency).
To apply this save data to your game, you must place the extracted folder in the correct directory for your device. For PPSSPP Emulator (Android/PC) telechargement-ulus10537dat0-zip
The "DAT0" portion of the filename typically refers to the first data slot in the PSP's internal save structure. Dragon Ball Z: Tenkaichi Tag Team Usually a "100% complete" save file that unlocks