Kindle Touch was discontinued by Amazon a while ago. But its owners are still receiving support and updates. The latest firmware update brings a few Kindle Paperwhite features to the device. Kindle Touch 18.104.22.168 has a new user interface that makes navigating books and content on your Kindle Touch easier. The Archived Items is now called the cloud.
This firmware allows you to switch back and forth between listening and reading books. Enhanced parental controls are enabled for the Kindle Touch. The update can be received wirelessly or downloaded manually here.[via]