Use the feature in PPSSPP’s control settings. It will overlay a semi-transparent gamepad on your screen. Adjust transparency to 40% so you can see enemy attacks coming.

Because you’re running an emulator, you have access to memory modifications:

While PPSSPP cannot run Vita games, many users now use the Vita3K emulator on Android or PC to play this specific handheld version. Why "Injustice PPSSPP" is a Popular Search

Enjoy smooth gameplay and high-definition textures tailored for the PPSSPP emulator. Customizable Controls: