I performed comprehensive QA testing for QR Vision, a feature-rich Android application designed for scanning and managing QR codes efficiently. The app includes functionalities such as real-time scanning, Wi-Fi QR code parsing, scan history tracking and custom settings. My responsibilities included: Functional Testing of core features UI/UX Testing Usability Testing Bug Reporting Cross-device testing This project demonstrates my ability to test real-world mobile applications with a focus on quality, performance, and user experience.