HMD has just updated its Nokia mobile support app in the Google Play store. Current app version os the 1.0.9 and it is 2.01 MB large so it is safe to download it over your mobile network. The only improvement the on for the recently added Care Locator. Update is available for the Nokia 5 and you should see it on other Android running Nokia Devices as well
If you have Nokia 3, 5, 6 or the 8, go to Google Play and update the app.