Kindle Fire tablets run a customized version of Android
called Fire OS. Compared to stock Android, Fire OS is heavily skinned and tightly tied into Amazon's e-commerce ecosystem, so much in fact that you can hardly recognize it as being Android. Amazon has been able to do some neat things with Fire OS, and if you own a Kindle Fire HD or Kindle Fire HDX, you'll be able to do even more with the company's Fire OS 3.1 update.
It's a free, over-the-air (OTA) update that will be delivered over the coming weeks, though if you don't feel like waiting, you can grab the download direct from Amazon
and install it immediately.
Fire OS 3.1 introduces several new features and enhancements, including something called "Second Screen." What this does is turn your big screen TV into the primary screen, freeing up up your Fire HDX to provide playback controls, a customized display for X-Ray, or simply a place to email, surf the web, and whatever else while you watch a move. Amazon says Second Screen works with the PlayStation 3 and Samsung TVs, and will be available for the PlayStation 4 later this year.
"The response to our new family of Kindle Fire tablets has been fantastic, and we’re excited to add new features we think our customers will love," said Peter Larsen, Vice President, Amazon Kindle. "This free, over-the-air Fire OS update brings new features like Goodreads integration, Second Screen, Cloud Collections, enterprise support, wireless printing, and more."
The Kindle Fire HD starts at $139, the Kindle Fire HDX at $229,and the 8.9-inch Kindle Fire HDX at $379.