Howto develop a simple, yet nice, Studi VZ Application

First of all, i found it rather interesting how scrambled the Information’s are you can find on that Subject are, but i think you can break it down to 2 Points:

its done in Open Social: http://wiki.opensocial.org/index.php?title=Main_Page
before you can do Anything you need to Register as an Developer at Studi VZ or Mein VZ, in this case i choose Studi VZ: http://www.studivz.net/Developer

So, after some Hours you will, hopefully get an confirmation mail from the friendly fellows over at VZ. So, lets set the Goals for what we want to accomplish here…