Cursor AI Code Editor is an AI-driven development tool that turns your Android phone into a powerful coding environment. To install it, you need Termux with a Linux distribution, a stable internet connection, and recommended specs. The installation process involves updating packages, installing wget, downloading the installer script, granting permissions, running the script to install Cursor AI, and verifying the successful installation. Once installed, you can launch Cursor AI on your Android device and start coding with AI assistance on the go.