I've been spending the last few days working to address a problem I think is really important – right handed versus left handed use. So often do controls/menu options/etc. cater to one side or the other, making it difficult for a number of different people. Lots of trial and error and research/reading later, I think I've come up with a solution for my app on how to detect whether someone is using their left hand or right hand to open my menu. That way, I can decide how to display options accordingly.