Wouldn’t it be awesome if you could just drop a PDF in a folder and it would automatically show up on your Kindle? Or if imported photos automatically scaled themselves down to a smaller size? Or if your PDF documents automatically signed themselves? These are just a couple of examples of what Wappwolf can do along with your Dropbox or Google Drive account. Here’s how to make the magic happen.
http://lifehacker.com/5907706/how-to-supercharge-your-dropbox-or-google-drive-with-wappwolf