Managing phone memory is one of tedious task especially when you are constantly updating your music, movies, ebooks, documents. SanDisk Memory Zone is an app that will manage everything for you both for managing and backup of your Android phone files
The main feature of this is the back up to the cloud. You can add your DropBox account for storing files to the cloud or add your pictures to your Picasa account. SanDisk Memory Zone can password protect your sensitive data which I think one of the most important feature.
Download: SanDisk Memory Zone