ASUS - ZenTalk

I wanna know whether my phone is legit or not as it says tencent games on the back with full mirror on back of 12gb ram.Doesn't give proper frame rate while playing game and my system info is shown in photo.Please help me on this..

I have Rog phone 2 for 6 months now and have been facing an issue of frame drop while playing the game which need only 60fps. I was gonna go for iPhone but I really love gaming and android so chose to buy Rog 2 but now I am regretting as it is a gami...