[Help] Will Facer Android Sync With Multiple Smartwatches?

can more then one smart watch be used on the app, have 2 different watches and have dowoaded app on both but will only sync faces to one of them.

I have a Gear S3 Classic and a Gear S3 Frontier. I open the Gear app on my phone, choose which one I want to wear and and I everything works perfectly.