Just a social WP app. You can find other WP users around you, send messages to other users ,download ringtones. But that stats are really interesting for me.
You can hunt down and execute other Windows Phone users... lol Don't try that with me I'm packing... Its just a nice social networking app with a bunch of stats just a good way to not feel alone in your Windows Phone world. This is one app that I think every Windows Phone user needs to install and sign in to even if you disable the location settings.