Super apps, prevalent in large economies like the USA, India, and Southeast Asia, integrate numerous services such as food delivery, payments, and shopping into a single application using a hub-and-spokes model to maintain a seamless user experience. Companies like Uber, Grab, and Paytm exemplify this trend, expanding their offerings from their core services to encompass a wide range of functionalities. The architecture of super apps benefits from a modular design, which allows independent development of features while maintaining integration within the main app. FlutterFlow's system of Libraries facilitates this modularity by enabling the development of independent feature modules (Spokes) that connect to a central core app (Hub). These Libraries allow for the encapsulation of entire user journeys and the sharing of logic and UI modules, ensuring scalability and maintainability. Key components of this architecture include App State and Library Values, which manage shared data and state across modules without tight coupling, preserving the modular nature of the app. Event and action communication between modules is achieved through Action Blocks and Library Values, enabling seamless coordination of behavior across different parts of the app. Ultimately, FlutterFlow's approach supports the creation of scalable, maintainable super apps where modules can evolve independently while providing a cohesive user experience.