Facebook users on their News Feeds'll see an alert pop-up will remind them of running privacy settings. This could make the check-in under the user who posted the review (see Kategri- Public, Friends or Only Me). Facebook users will also see the Privacy Connected app to check up like what they do with Candy Crush Saga etc..
Facebook product manager, Paddy Underwood said in a blogpost, "We know that you have come to join my friends on Facebook but not us but we also know that you are sharing with whom and who can view it, If your control. "
