Photoshop Touch Lays It On
There's a good reason not to buy Photoshop Touch, although it has nothing to do with how well the feature set has been implemented.
In fact, we enjoyed composing images with it and even exchanging files with its big brother using Adobe's new Creative Cloud. Touch includes Layers (which you can review in 3D) but it also brings the Healing Brush and Squiggle Selections to your tablet. Pretty powerful tools.
Like Photoshop itself, it isn't designed for processing a card-load of images or organizing your photo archive. But when your camera is just the starting point and your imagination is...
Source: Imaging Resource