There is not a whole lot of new information here that we all don't already know. The new WTIU will still have a "remote" port on it to tether a DCS remote with a curly phone cord... not ideal but it does retain some compatibility. With this in mind, I wonder why they couldn't continue to add the little 900MHz receiver board inside the WTIU. Also, perhaps (but unlikely) the new WTIU may retain the pin header to simply pull the 900 MHz receiver board from a TIU and install it in the WTIU.
Then there is also the app which has more flexibility than most will give it credit for. I developed a way to run the app without using the touch screen by a game controller that I bought from amazon. This controller is one of thousands that would work:
The app provides the most flexibility and offers way more future feature enhancements vs a static button remote that requires an entire redesign to include newer features. All the while, designed with little to no customization support on a "one size fits all" package.
Really nice. How does it work? Is there a link?