How to add RSS Ground app to Facebook group?

As of now, to make posts to Facebook groups that you manage, you need to add RSS Ground app to each of these groups. See this quick screencast on how to do this:

Only group admins can add or remove an app in a group.

To add an app to your group:

1. From your News Feed, click Groups in the left menu and select your group.
2. Click ...More below your cover photo and select Edit Group Settings.
3. Next to Apps, click Add Apps.
4. Select the app you'd like to add to the group and click Add.
5. Click Done.

To remove an app from your group:

1. From your News Feed, click Groups in the left menu and select your group.
2. Click Story options. More below your cover photo and select Edit Group Settings.
3. Next to Apps, click Manage Apps.
4. Click Remove next to the app you'd like to remove and then click Done.
5. Click Remove > Remove.