For those of you that are having issues with the step count not being in sync with SHealth on your Galaxy Watch 4, we are happy to share this issue is now fixed in Facer 5.1.72 which is available in BETA on Google Play.
To get this version, please enroll into the BETA by following these steps: https://help.facer.io/hc/en-us/articles/360007218234-How-to-join-the-Facer-Beta
If you are already enrolled in the BETA, you should receive this update automatically via Google Play.
Please let us know if this version fixes the step counter issue for you.
Cheers and thanks for your patience!
The Facer team