You do not need a modded PSP or a PC. Everything happens on your Android smartphone.
Dolphin Emulator (Available for Android, Windows, and macOS). File Needed: Nintendo Wii ISO file. ben 10 omniverse ppsspp download
This is the hardest part. You are looking for a file named something like Ben_10_Omniverse_USA_PSP-ISO . The file size should be approximately . You do not need a modded PSP or a PC