Required-:
• Phone Must Be Rooted
• You Must have Full Backup of your Current ROM this app is risky Your Phone May Be Get soft brick so make Backup first by Any Custom recovery like twrp recovery .
How to Speed up Your Game -:
1) Firstly Install GLTOOLS app [ Click Here ]
2) Now open And Give Root permission
(Try "Ask again" Feature when You are giving Root Permission by super su to Gltools)
3) Now Select Install and Wait for your device to reboot.
4) Again, open GLTools then select the Game you want to play.
5) Check Enable custom settings for this
6) Check Force 16 bit rendering. (it reduces lighting and shading effects but not much a biggie in the graphics)
7) Check Optimize GLSL shaders. (for optimizing OpenGL shading responsible for color, texture, structure)
8) Enable and set Downscale texture as what you like. (It reduces the texture therefore, lesser lag)
9) You may want to Use fake GPU info. (Can also improve game graphics quality and performance)
10) Now, it's done. Play any games you wanted.
How to completely uninstall GLTools?
1. Simply reboot to custom recovery.
2. install zip from SD card then choose uninstall-gltools.zip
(This File Available on your SD Card)
3. Wait and GLTools will be uninstalled.