Use APKPure App
Get Old Version-Graphics Manager old version APK for Android
Customize the graphics settings of your games with built-in GFX Tool
Please install compatible addon from here : https://play.google.com/store/apps/details?id=inc.trilokia.addon.graphics.manager
This addon is no longer compatible with Gamers GLTool.
Please install the newer addon & uninstall older addon
Thanks