* Developed Live Streaming / Screen sharing product - Cross Android / IOS / Windows screen sharing - One device to multiple devices (1 to 60 devices Android <->Windows <->IOS) - Live Video / Audio streaming between Android / IOS and Windows by using hardware level media framework (Media codec , replaykit2 and Media Foundation transforms) - Lightweight streaming server at Windows - Video / Audio Live streaming between Windows, IOS and Android . - A player which developed by using FFmpeg API - MQTT integration in android / windows / IOS - One - button click Live to YouTube (or other streaming platform) - Display at most 6 devices screen at the same time in one Surface Pro* Completed Wake-On-Lan tool in android and Windows* Kahoot-like app developed by React-Native and MQTT * MQTT Based school message broadcast system

* SW RD team leader for Android APP, IOS APP and web service develop with following product - E-Contact book app for android / IOS: A app provides teacher / parent communicate more efficiently with Instant messaging , news feed , FCM push server and RSS reader to get immediately Facebook fans page immediately. - Health promotion system with wristband for education: A small IOT system with wristband to collect student health data with wristband. We also built a web manager system for each school to easy set up their environment. - MDM server development: development a WEB service for MDM device control. * Software develop control by user story mapping to reach tightly schedule * CI serve setup for daily release, auto testing * Product prototype tool for define SW spec with marketing / sells. (Use proto io.)* Web service maintain for health promotion system * Study Keras + Tensorflow to improve OCR function.

* NAS SW development: Web app for Backup management on Linux * MDM APP for Android PAD: develop an android app for education, including auto installation, device control, apps installation control, screen lock, etc. * Android PAD customize for smart education: Customize Android framework for education pad. Including following features - Key management- Window management - Status bar - RIL framework - Power management- Service manager- Media framework- Screen recording / casting, API extraction* Cooperate with third party PAD ODM vendor & responsible for BSP release * Get TUV eye –comfort for one education pad. * Aegean e-book: e–book base on android framework 1.5, including customize launcher, menu side changed, multiple windows for android 1.5.

* Enable BENQ s-37 LCD TV audio driver on time. * Get SRS true surround for S-37 LCD TV