Email iPad app concept made by @[14135:Dawid Liberadzki] for us in 2012. We've ordered several concepts from Dribbble designers and combined them with our own ideas. It was very useful approach and an interesting experience.
See high res for more details:
— Inbox — http://dribbble.com/shots/1410480-80-Mail-Ipad-Concept-Dawidliberadzki/attachments/205645.
— Edit mode — http://dribbble.com/shots/1410480-80-Mail-Ipad-Concept-Dawidliberadzki/attachments/205646.
— Folders — http://dribbble.com/shots/1410480-80-Mail-Ipad-Concept-Dawidliberadzki/attachments/205647.