This is not an official VK app
This app is made to explore friends from social network Vkontakte, using it you can easily see, who from your friends know each other, look for new friends, or even more, you can find a handshake chain up to 3 handshakes between any two pearsons
App reqires Vkontakte account for the most part of the features
usage:
1) longtap on an empty area to add somebody
2) longtap no sombody to see his/her friends list
3) longtap on somebody on the list to dragndrop to the map (or use swipe)
4) tap on e pearson to see a bigger photo and some options
5) expore ...