Open PPSSPP, browse to the folder where you saved the ISO, and select the game to launch it.

Optimized to run smoothly on the PPSSPP emulator with adjustable resolution settings. 📲 How to Play (PPSSPP)

The search results indicate that "telechargement-dragon-ball-legends-frazx-iso" typically refers to a fan-made modification (mod) of classic PSP games like Dragon Ball Z: Tenkaichi Tag Team or Shin Budokai 2 , designed to look and play like the mobile game Dragon Ball Legends . 🐲 Overview of the FRAZX ISO Mod