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.

Galaxy on Fire 2 THD on Kindle Fire
Chainfire3D is a must installed add-on for 3D gamer on Android devices. With Chainfire3D, you can enjoy 3D games that optimised for Tegra 2 THD and Qualcomm Snapdragon chipset on Amazon Kindle Fire that is using PowerVR SGX540 GPU. Therefore, you are not limited to PowerVR 3D games on Kindle Fire from now on. Example, you can play Tegra 2 optimised 3D games like Galaxy on Fire 2 THD…
Prerequisites
Chainfire3D requires root access on Kindle Fire to install its intermediary OpenGL driver. Please refer to this guide to root Kindle Fire – How to root Kindle Fire with BurritoRoot? (Video). By the way, it is advisable to have TWRP 2.0 Recovery installed on Kindle Fire too. Make a full system backup before install Chainfire3D. I tried Chainfire3D on both stock Amazon software and CM7 ROM. Working great…

Install CF3D driver on Kindle Fire
Your Amazon Kindle Fire volume is too soft? Not loud enough even on maximum volume? Here is the free solution to boost Kindle Fire max volume. Volume+ is an application for Android devices running Android 2.3 Gingerbread or higher which allows you to boost the maximum volume for ringtones, alarms, message tones, etc.

Volume+ on Kindle Fire
Are you using CyanogenMod 7 ROM on Amazon Kindle Fire? If so, here are some tablet tips and tweaks for your CM7 Kindle Fire. Most of the stuffs can be found in the settings ~ CyanogenMod settings and ADWLauncher.

Tips and Tweaks for CM7 Kindle Fire