Memory Stick Free for iPhone / iPad

This app supports folders. Makes it easy for you to transport your documents using the iOS devices.

Simply copy the files in iTunes. Compress your folders as zip files and on your iPhone/iPod they will be displayed as folders.
Copy files to and from your device and share them between different computers.
Display the content of your files directly on your iPhone/iPod.
The app supports copy/paste. Pictures can be taken with the camera or imported from the photo library. You can send your documents by email.

Download link: http://itunes.apple.com/us/app/memory-stick-free-folders/id381505848?mt=8#