Building an esports app involves several crucial steps. Begin by clarifying your objectives and determining the purpose of your app. Identify your target audience within the esports community and understand their needs. Next, plan the app's features, such as user registration, profiles, team management, match scheduling, and live streaming. Create a user-friendly interface and design appealing visuals to enhance the overall user experience. Develop the app using suitable programming languages and frameworks, ensuring compatibility with multiple platforms and devices.