# Introduction

Twent is a free AI agent for Android — it automates apps, runs an Ubuntu terminal, connects to MCP servers and skills. BYOK.

Twent runs on **Android 8.0+** and gives you a real AI assistant that can see your screen, control any app, run shell commands, browse the web, manage files, and connect to external tools — all from one app. The agent can also install MCP servers and skills for itself, delegate to subagents, and ask you for clarification before hard decisions.

[Start Using Twent](/content/docs/getting-started/start-using-twent/index.html) — Download the APK, install Twent, grant permissions, and connect an AI provider — step by step.

[Plugins](/content/docs/plugins/mcp/index.html) — Extend the agent with MCP servers and Skills.

[Features](/content/docs/features/agent-capabilities/index.html) — Web research, persistent memory, Agent CLIs, Token Config, and the built-in Ubuntu terminal.

[Glossary](/content/docs/more/glossary/index.html) — Plain-English explanations of every technical term used in these docs.

## Why Twent exists

Most AI assistants live in a chat bubble and can’t touch your device. Twent is different — it runs **on your phone** with full access to the OS, giving AI real agency: reading your screen, tapping buttons, running commands, and managing files.

**Local-First**  
All data stays on your device. BYOK model — your keys, your data.

**Free to Use**  
Twent is completely free. Paid model API usage is billed by your chosen provider. If someone asks you to pay for Twent itself, it’s a scam.

**Extensible**  
MCP servers, plugins, skills, and workflows for infinite capability.

**Persistent Memory**  
The agent remembers relevant details across conversations, and its memory grows over time.

**Customizable**  
Customize both the app UI and the AI agent’s behavior to match your workflow.

**Privacy First**  
Zero hidden telemetry. Nothing leaves your device except your explicit API calls.

## Quick start

**Download & install the APK**  
Follow [Start Using Twent](/content/docs/getting-started/start-using-twent/index.html) — download link, “install unknown apps”, and Play Protect workarounds included.

**Grant permissions & pick a provider**  
Allow everything on the Permissions page, then add an API key under Settings → Model Settings (Nous Research, Opencode Zen, or NVIDIA NIMS are good starts).

**Wait for terminal setup**  
Open the Terminal page once — setup takes 8–10 minutes and runs by itself.

**Start searching**  
Start the ddg-search server under Plugins → MCP, then ask Twent anything.