Creating an OooianCreating an Oooian is a very exciting thing! Please read all the different categories of Oooians before you decide, some rules apply to one category and not the other, so it might change your mind!
Edit 2: People have asked if your app has to be in AT style, since people have trouble drawing in the style. Well, worry no more, here's a helpful how-to! http://www.scribd.com/doc/14686737/How-to-Draw-Adventure-Time Click the download to see it, it has 16 slides and explains how to draw and apply the AT physics. Thanks so much to Fathix for providing it, I'm sure that everyone will benefit from it <3
Edit: I've been seeing a lot of people using umbrellas and swods for weapons, please be creative
Generally, an app drawn similar to AT style is preffered, but not required (however, keep in mind that an app drawn similar to AT style will have an edge over one that doesn't).
When making your character, please keep in mind that interaction with Canon