That was classsicc. Sometimes a quick google and 2 minutes of research will do a lot better than a thread in a forum.
When you choose a category for your application, start by choosing a small non-commercial category. A good first category could be your home town or a hobby, something of interest to you. If English is not your first language there is always a need for good editors in the World categories. Pick out a small category in your native language and pay attention to details when writing your descriptions.