The new software wasn’t immediately available as an over-the-air update for my Kindle Colorsoft, but I was able to download it and install it manually following Amazon’s instructions. The feature works well using relatively light taps anywhere on the Colorsoft, and since it requires two taps in rapid succession, it’s not easy to trigger by mistake. Unfortunately, it’s limited to just one direction. You can either use it to jump to the next page, or scroll down a long list of books….