Your Amazon Kindle makes a good e-book, but the slim device with built-in mobile broadband (or Whispernet) can do a whole lot more than meets the eye. And we’re not talking about using it as a paperweight or doorstop. We set out in search of ways to tweak the Kindle’s functionality and came up with some pretty cool tricks. Check out some of these awesome tips, courtesy of blogger Igor Skochinsky, that will let you turn your Kindle into a Google Maps navigator, a handheld gaming machine, and more.