Continue building a React Native mobile app for the #notJustStartup Challenge in this 5-hour 35-minute video tutorial. Focus on developing the backend using AWS Amplify, covering essential topics such as setting up AWS Amplify, implementing authentication, creating database models, and managing storage. Learn to query module topics, topic details, and quiz data, as well as track user progress and save quiz results. Gain hands-on experience with React Native and AWS Amplify while following along with the step-by-step instructions and code demonstrations. Conclude with a Q&A session to address any remaining questions about the app development process.