This app requires access to your facebook profile and wall. This app doesnt use any of your personal details by publishing them to external sites, retrieval of information, misuse of your data in any form. This app only posts on your wall your recent score and a link to the app in the windows8 app store. The app gives you an option to use facebook and does not by default post to facebook. In case you don’t want to post to facebook you can opt out of this option.