Most of the Android 3D games are available for all GPU like Tegra 2, Qualcomm Snapdragon and PowerVR chipset. However, there are some still exclusive available for certain GPU like NVIDIA Tegra 2 THD games ~ Big Top THD, SoulCraft THD, Galaxy on Fire 2 THD… With Chainfire3D, you can play all of them (almost) on Amazon Kindle Fire which has PowerVR SGX540 GPU with gamepad (like GameSir G4s Review).
How to play Tegra 2 THD and Qualcomm Snapdragon games on Kindle Fire?
Basically, you need Chainfire3D and libGLEMU_NVIDIA and libGLEMU_QUALCOMM plugins. The good news, all of them are free. But root access is required to use Chainfire3D.
Follow this guide to install and use Chainfire3D on Kindle Fire – How to install & use Chainfire3D on Kindle Fire?