Hi there, I know that it not regards your support directly. To install your social login I made a Facebook app following your instructions. But now Facebook is telling me that some features could needs a review. I would to know if I need to do something to use your social logins starting from 1st of August.
Sorry, but we don’t know what exactly should you do to review this. Probably, you need to contact facebook dev team for help. It seems that you need to submit your APP for review.