Facewatcher - Facebook Stalker is a social networking app for Facebook, offering priviledged information about the user's account and contacts.
You can receive notifications when a contact deletes you, check what contacts interact most with you, see how many "likes" you have received, what people view your photos and videos most, among other things.
All you need is a Facebook account to associate the app. Then you can navigate menus and view your stats in various ways.
Ideal for Facebook fans who would like to know everything that happens.
Android phones and tablets.