Okay, I try to use CustomColor background instead ProceduralSkyMaterial for WorldEnvironment Node.
I took the test again and got a strange result:
Before that I try export Game with Unreal and get more FPS on Samsung galaxy A70:
Also, I tried to use a program to show the amount of graphics usage, but none of them recognized the graphics.
If you know a way to see the amount of graphics used on mobile, please share. Thanks. 👍🙂