Demo link: https://jaywang-project.com/ Framework: Node.js Express Backend MVC pattern design AWS services: EC2, S3, CloudFront, Route 53 Databases: MongoDB, Redis RESTful APIs: Interface between frontend and backend JWT: Authenticate user login status Nginx: Handle SSL and reverse proxy to API server and WebSocket server Test: For input validation and APIs TensorFlow: Use for hand pose detection Use React and React Router to create SPA Apply Redux to store global variables WebRTC: Create Peer connection