Persona 3 Reload is a modern remake of the classic Persona 3 RPG, reborn with stunning visuals, updated mechanics, and even new story content.
Change the VRAM to 4GB you can learn how to do that here.
Change the TDP to 13W or 18W. You can learn how to change your TDP here.
Due to the portrait display on the Legion Go the resolution options are weird in the game options, you can change your desktop resolution prior to launching the game to get around this. Also the game
Persona 3 Reload runs great on the Legion Go at multiple settings. You can play at 1200p 18W and averaged 50+ FPS or if you want even more battery life you can play at 800p at 13W and average 50+ FPS.