Starting a fantasy sports business with a mobile app requires strategic planning and execution. Begin by identifying your target market and the sports that will appeal most to your audience. Develop a mobile app with a clean, intuitive interface, integrating real-time player stats, seamless registration, secure payment gateways, and push notifications. Partner with reliable data providers for accurate and up-to-date information. Ensure the app complies with relevant gaming regulations. Focus on user engagement by offering social features like leagues and sharing options. Promote your app through targeted digital marketing. For expert app development, consider partnering with Dev Technosys.