You can manage your files/folders on sd-card/Dropbox/Boxnet.
Features:
1. Open/Rename/Delete file
2. Create new folder
3. Copy/Move files and folders
4. Send files
5. Zip/Unzip files for sd-card
6. Install Application from file
7. Share/Unshare/Send Shared Link for Box.net
8. Send Shared Link for Dropbox