This is a simple animated watch face for Wear OS inspired by the countdown timer animation on the Google I/O app and website.
NOTE: this is a Wear-only app, so if you're reading this on a phone or tablet, it'll show as incompatible - even if your phone is linked to a watch that is compatible.
You need to either install it directly using the Play store on the watch; or, from a browser (on a desktop/laptop), click the Install button and select your watch. The Play store app doesn't support installing to other devices like this, unfortunately.
Source is available at https://github.com/StringMon/io18watchface