Initial reports are that this app works quite well on the Amazfit Pace. Check out the full Facebook posting on it.
This is the first APK WatchFace with settings! Compatible with both Pace and Stratos (all versions). Source: [APP/WATCHFACE] GreatFit v1.1 with settings – Pace/Stratos (2018-05-17)
AmazMod is an additional application for your Amazfit watches – it can entirely replace the notification system, multi-lingual support, a file manager, own callendar support with selected watchfaces, advanced tweaking section, weather provider and much MUCH more! Make your Amazfit Amazing! Source: AmazMod – The missing link for your Amazfit smartwatches