Instructions on how to get into Glow Microsoft Teams
I hope the screenshots below will help you to get into teams on glow:
Click App Library along black line at the top 
Once apps are up use the search button to find teams
Click on the Microsoft Teams App
In this picture below it says remove from launch pad this is only because its my account it will say add to launch pad
Go back to My Launch Pad and click Microsoft Teams
This is you in to Microsoft Teams
If you need anymore help please let us know.