If you’re looking for an excellent photo editor for the iPad, then you should take a look at Snapseed. The iPad and iPhone app features a variety of touch-based tools and creative enhancements that’ll take a bland picture and make it beautiful.
Snapseed was recently updated to version 1.4, This latest update added support for the retina display of the new iPad and integration with Instagram. The new Instagram feature lets you post your photo directly to the social network from within the app. Other features include a beefed up black & white effect, improved center focus magic, and a crop tool with a 7:5 aspect ratio for 5×7 prints.