Making shields in Itouch?
 

Is it possible to make shield codes using itouches. maybe some sort of app or something.

You mean just pixel art in general? If so, then yes. I'm not sure what the apps are called, but people have made customs using them.

Art studioooo, preferably the plus version to export images as .png

yessss Art Studio is amazingly easy and has a ton of features for being an iPhone app. Made all my swords with that.

art studio is the app 4 u

Too bad you can't upload them without jailbreaking.

youre supposed to export the image in an email to yourself, then upload on pc...