Dropbox can be integrated with the app.  it is use to save backup files. The assumption is that you already have a dropbox account.
To setup the dropbox:

  1. Go to Home > Settings > Dropbox > Link with Dropbox
  2. It will then ask permission from the user to allow access to Dropbox.  Tap on “Allow”
  3. It will create the link and will show that it is now connected with dropbox.