One of the most useful AppStore application in our opinion is the Folders App! Though a Paid App, this one is much needed for the iPhone masses. You can put your personal files inside password protected folders and also hide these folders using a password again.
Using WiFi you can also easily transfer and access your media and other files on your PC or Mac through this app.
Mobile Finder is a similar App, but Folders allows you to lock your Folders (i.e. make them password protected).
Complete Features:
- Create new folders
- password protect folders
- Lock folders
- hidden folders
- Import files directly from the web
- Import from the Photo Library and the iPhone camera.
- portrait and landscape mode.
- Folders also doubles as a viewer for all your files! Folders supports all of the following file types, and more:
THIS IS A PAID APP costing $1.99 via the iTunes AppStore
Update: Video Demo