First you must find the Chainfire 3D install apk, install CF3D driver from Chainfire 3D app, the tablet will reboot, after , get plugins - copy all plugins to micro sd, next open Chainfire click install plugins, the program will find them all. After installing you could choice Defalut OpenGL settings and choice plugin by "Use plugin" and select the proper plugin. After setup exit Chainfire app and turn on some game and play, if there is no testures, you should test another plugin or define settings for selected app (if you have "long" list of apps that uses different plugins) on Per-app OpenGL settings - if you choice app you should unmark "Use defalut settings" and configure all of settings like choice plugin etc.