I believe that googling for "kindle as an additional PC screen" could be very fruitful.
Just keep all rendering at the PC/host side ...
Other approaches are possible, but most of them require native programming..
Kindle devices make great outdoor indicators, just because the picture is clear and
visible in direct sun light. I know several technicians who were successfully using Kindle devices
as specialized indicators in a field (i.e. sitting on a pole and tunning up the microwave antenna).