Originally Posted by Dargon (From the Thread Link mentioned)
Keep your application short and to the point. AND FOR HAMPA'S SAKE, DON'T TELL US HOW MATURE YOU ARE! Really, if you want to point that out show it with our application and actions, instead of simply writing it to your app.
Read the whole of the thread from Link's quote, it's very helpful for app writing and the average length required, >5000 characters is way too much.