My friends are unable to see my hosted Activity!

For any activity to be visible as a hosted activity the activity has to be set as public. To check the status of the activity, navigate to the Activity Detail screen > Check if the lock symbol is there next to "Players" title/section. If yes, it is a private activity.

To make the activity public, Navigate to the Play Tab > Select the activity > Click on the Menu dropdown (Top right corner) > Edit activity > Set activity as 'Public' (Under activity type)