Build a real-time chat mobile application in React Native based on WhatsApp's UI design. Learn to set up a React Native project using Expo, design the UI layout, structure components, implement navigation between screens, and create header and tab bars for the WhatsApp menu. Utilize AWS Amplify for backend services, including authentication, database, and GraphQL API. Implement GraphQL subscriptions for real-time chat functionality. Follow along to create a comprehensive clone, perfect for both beginners learning JavaScript and React Native, and advanced developers transitioning to mobile development. Practice modern JavaScript, TypeScript, and AWS Amplify while adhering to best practices and using the latest technologies. Upon completion, showcase your project for feedback and enhance your portfolio to boost job prospects.