March 27 to 29 of 2019, Bing Yu and Yanbo Wang attended the 3rd International Conference on Display Technology (ICDT), which was held in Kunshan, Jiangsu, China. In the I-Zone exhibition, Simultaneous Tracking, Tagging and Mapping (STTM) APP (iOS) and hand-gesture-based text input APP (ARHand (iOS) & iHand (Android)) were demonstrated.