I have fireTV 2 since a week and its on-screen keyboard was driving me crazy. If you also believe it is the worst keyboard you have ever seen, I have created a guide how to replace it with something decent.
It should work without root, as long a...
The proper command to disable default Amazon TV launcher (and enable Leanback as default) is:
pm disable com.amazon.tv.launcher/.ui.HomeActivity_vNext
(tested and working on FireTV 2).
It is part of the FireTV launcher. If you disable the launcher you will be able to use another settings app.
As for the Installation Guide, I did find a few pointers.
First I would advise that everybody first do an "IME List" command
Well, that's not needed. You can list available IME at all times, and if IME is not listed, you can't enable it or use ...
hitting back is still much better then dealing with the stock keyboard popup. I do wonder, can you use the mouse pad to edit multiple specific parts of one input field. Like after pasting your tutorials link & changing the * to .'s ? Without ...