Embark on a comprehensive 3-hour crash course to build a complete React Native app from the ground up. Learn essential concepts including core components, styling, layouts, flexbox, event handling, list management, and platform-specific considerations. Explore advanced topics such as optimized list handling with FlatList, component splitting, custom button creation, modal screens, and image display. Gain hands-on experience by creating a new project, setting up a development environment, and running the app on a real device. Perfect for those with basic ReactJS knowledge looking to expand their skills in mobile app development for both iOS and Android platforms.