With Notes for Fitbit OS, you are able to see your Google Docs directly on your wrist. First you will see your last used documents where you can choose. Only the first 150 words can be displayed.
Swiss Transport is in general a free public transport app, which shows you the next departures of busstops and trainstations in Switzerland. If you buy this product, you also get the feature to show the next connection between favourite 1 and 2 and vice versa or your current location and favourite 1 or 2.
With Photos for Fitbit OS you can display your photos from Google Photos on your Ionic or Versa.
Check the current UV Index on your location. The app also gives advice what you should to when the index is active.