To promote social sharing across the distribution channels a publisher's content is available, Marfeel-produced Google AMP pages support all the AMP pre-configured providers.
For a complete list of the pre-configured providers available in AMP, see the project's official documentation here.
For information regarding AMP's native sharing capability on Android, see this article.
Facebook sharing option in AMP
To include the Facebook option in the sharing bar of a customer's Marfeel-produced AMP pages, customers must provide Marfeel with their Facebook ID app, which is a requirement for the Facebook Share dialog.