Lars Ershammar developed a real-time WebRTC signaling system for the google/android-cuttlefish repository, focusing on reliable client-device communication. He engineered both backend and frontend components using Go and JavaScript, implementing a WebSocket-based signaling channel with an HTTP polling fallback to ensure resilience across varying network conditions. On the server side, Lars built robust connection management with read/write pumps, keepalive mechanisms, and clean shutdown procedures, while the client side featured a WebSocketConnector with connection timeouts and a FallbackConnector for graceful degradation. This work enhanced the reliability, latency, and user experience of remote device control by addressing signaling robustness end-to-end.