The use of virtual meetings has significantly increased over the past year, but existing platforms often fail to meet individual users' custom needs. VideoSDK.live offers a solution by allowing developers to build customized video chat apps with various features using JavaScript. The guide covers the process of setting up a project structure, adding the VideoSDK JavaScript SDK, creating the user interface, implementing meetings, and handling local participant views, remote participants, toggle buttons, and leave functionality. By following these steps, users can create their own video chat app with the required features, making it an ideal solution for various use cases.