It would be a good feature to have an option in prodigy.json to set the shortcut key for accept and reject. That way, I could set some keys that work for my right hand because right now, my left hand wrist hurts a lot!
I can cope right now, just twisting my keyboard around...
But yes, we'll be shipping an option to customise the main keyboard shortcuts with the next version. I already have it implemented locally and confirmed working See here for the proposed API: