The tutorial describes how to build a video chat application using React, Node.js, and Twilio Programmable Video. The application allows users to create rooms and join them, with the ability to customize the room's appearance and add tracks such as audio and video. The tutorial covers setting up the project, creating an API key, and implementing user authentication and authorization. It also discusses how to handle participant connections, track additions, and disconnections, as well as detaching participants' tracks from the room when they leave. The application is tested locally and a demo application is provided on Heroku for future reference. The tutorial highlights the benefits of using Twilio Programmable Video, including its simplicity and ease of use, making it an ideal choice for building custom collaboration tools.