The article discusses creating a simple video call application using Agora's Flutter SDK, which allows users to connect via voice and video. It covers setting up the project, adding necessary packages, and initializing the app with permissions for camera and microphone use. The author also provides suggestions on how to improve the app, such as flipping cameras, allowing users to choose channels, showing a connection-lost screen, and more. Agora's SDK offers extensive documentation and resources to help developers learn and implement its features effectively.