For short video app development, follow these key steps. First, define the app's purpose and target audience. Decide on the core features, such as video recording, editing, and sharing capabilities. Choose the appropriate technology stack and development platform, like iOS or Android. Design an intuitive and visually appealing user interface for seamless user interaction. Develop the backend to handle user data, video storage, and content delivery. Implement video recording and editing functionalities, allowing users to create engaging short videos. Ensure rigorous testing to identify and fix any bugs or issues. Finally, launch the app on app stores and continuously update and improve it based on user feedback and market trends. With these steps, you can create a successful short video app that attracts users and offers an enjoyable video-sharing experience.