Learn to build the frontend UI for an ecommerce application using React Native, Expo, and Gluestack in this comprehensive tutorial. Discover how to design a beautiful, responsive interface while integrating with a REST API. Master the art of managing server-side data with TanStack Query to create an efficient and responsive application. Gain hands-on experience with React Native for cross-platform mobile app development, Expo for simplified development and testing, Expo Router for effortless navigation, Gluestack for professional UI design, and TanStack Query for seamless data fetching and caching. Connect the UI with a backend API for products and orders, and explore deployment options using Genezio for simplified scaling and API deployment.