The app is designed to let you sign in with your Facebook account and make your account public on the network.
However, you will need to register for a Facebook account if you want to access the app from the home screen.
The app has a number of different settings that can be used to access other services, including the ability to make calls.
If you are not already using an iPhone or Android phone, you can get a free trial of the app and get a trial of a new feature, as well as unlock access to other services.
The mobile phone app for iOS is available on the App Store for free.
However you will not find a paid version on the Google Play store.
The full version of the mobile app, which is available for iOS and Android, costs €7.99.