Deco Sketch Pro is a universal iOS app that features geometric effects that can be added to images you have, or you can start from scratch. The US$2.99 universal app includes 10 brush types with 130 variations. You can extract color from a photo and use it as the base for an effect. You can start with a blank page and create your own designs, useful for creating desktops or other graphic art.
The app is simple to use, and when you first load it, you get some help in identifying the on-screen icons. From there, I found it's just a matter of exploring. With photos, you can add things such as sunbursts or other shapes -- whatever you can dream up. It's powerful as a painting tool as well, and while I am no artist, I was able to creat