There is that. And the brightness thing was more for my personal use, not for general use by everyone. I would share whatever I did with that if it wasn't a super simple process (then again, if it isn't a super simple prices it probably wouldn't be worth my time, so I would stick with default brightness controls).Ah that wouldn't work, as when you let go of the brightness button, whatever controls the volume will notice that the wheel has moved... it could be used for only one function at a time. Yes, volume makes the most sense for most people, but there may be other creative uses for it.
If someone will send me a Pyra I can figure out which of my stupid ideas are worth working on.