Now that's concerning. From what I read, you have to download the app then add your wifi login/PW info into the apps database, then add your "friends" that you'd like to have one click access to your network.
"The free Android-only app serves as a database for Wifi logins. Those who download it can choose which Facebook friends they want to access their Wifi networks whether theyre at home, in offices or at hotpots."
All I can say is protect your PWs