There are dozens of "game boosters" on the Google Play Store, but most are placebo apps that clear RAM or kill background processes. GLTools is different because it operates at the OpenGL driver level.
Runs games inside a specialized virtual layer; no root required but may have more overhead.
"Analysis of Graphics Driver Emulation on Rooted Android Devices: Implications for Performance and Security"
By purchasing the GLTools Key Premium Exclusive, you'll gain access to:
GLTools is a custom OpenGLES driver (proxy) that allows users to intercept and modify the communication between Android games and the device's GPU. It is essentially the Android equivalent of the for PC. Key Premium & Exclusive Features
Enable or disable Anti-Aliasing (MSAA) and optimize shaders for better rendering performance. Usage Requirements
is a custom OpenGL driver (proxy) for Android that allows users to optimize and tweak graphics performance on a per-app basis. The GLTools Key Premium Exclusive