Here's Facebook Tutorial- How can I add apps to my Facebook Page?
Some apps on Facebook may be available to add to your Page. To add an app to your Page:
- Go to the app's Page.
- Click on the app Page's cover photo.
- Select Add App to Page from the dropdown menu. If you don't see this option, it means the app isn't available to be added.
- Click to select the Page you want to add the app to.
- Click Add Page Tab.
If you have questions about an app, click on the app Page's cover photo and select Contact Developer.
Learn how to add a custom app or tab.
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