> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sparkblogs.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> About this documentation

BlueRiver, HuanTai, and XuanJie Toolbox are root-free tinkering software developed by Chen Jindong for Android devices such as OPPO and VIVO. They are primarily designed for beginners unfamiliar with device tinkering, providing services to quickly modify hidden settings and enable special features.

<Tip>
  Using the toolbox for the first time? Please go to the introduction page of each toolbox to read the relevant overview and understand its features and principles.
</Tip>

<Card title="Quick Start" icon="rocket" href="/quickstart">
  Learn to easily get started with BlueRiver, HuanTai, and XuanJie Toolbox
</Card>

<Card title="App Downloads" icon="cube" href="https://mintlify.com/docs/components">
  Go to the distribution page to download the app installer for each version
</Card>

<Card title="FAQ" icon="circle-question" href="https://mintlify.com/docs/organize/settings">
  Answers to some frequently asked questions
</Card>