Build a real-time chat mobile application in React Native based on WhatsApp's UI design. Learn to create a WhatsApp clone from scratch, starting with setting up a React Native project using Expo and progressing to building the backend with AWS Amplify. Master UI layout design, component structuring, and screen navigation implementation. Utilize AWS Amplify for backend services, including authentication, database management, API integration, and storage solutions. Implement GraphQL subscriptions for real-time chat functionality. Practice modern JavaScript, functional components, hooks, state management, and navigation techniques. Follow along to create a portfolio-worthy project that demonstrates proficiency in mobile app development using React Native and AWS technologies.