Important to know, the Amazfit app has been renamed to Zepp app.
- Download the latest version of the Zepp app.
- Create an account in the "Zepp App
- Press the "Profile" button on the bottom right
- After that go to the "Add account" section
- There you can connect your Google-Fit account with the "Zepp-App
- Now the data from the "Zepp-App" will be automatically transferred to the Google-Fit App.