Oppo has announced the Air Glass, which is an assisted reality smart glass that works with Oppo smartphones and smartwatches. The Air Glass, which will be a China-exclusive for now, is powered by the Snapdragon Wear 4100 SoC and uses a Spark Micro Projector with micro-LEDs to project information and notifications onto the sapphire crystal.
https://www.notebookcheck.net/Oppo-Air-Glass-assisted-reality-smart-glass-brings-notifications-navigation-teleprompting-and-live-translation-capabilities-right-in-front-of-your-eyes.585048.0.html