For too long, WebViews have remained a "black box" where standard observability tools go dark. This session explores the technical (and interpersonal) breakthrough that occurs when Android and Frontend engineers collaborate to fix this blind spot using modern web techniques. Learn the practical implementation details for capturing critical performance metrics (LCP, INP, CLS) using Google Chrome Web Vitals, monitoring granular user activity like "rage clicks," and gaining deep diagnostic visibility. We’ll show you how to funnel console output, resource errors, and promise rejections directly into the native platform layer for a unified source of truth.