I also still don't understand why they never did anything more useful with it. For example, there's an XPosed module which let's you swipe to the right over th

I also still don't understand why they never did anything more useful with it. For example, there's an XPosed module which let's you swipe to the right over the navigation keys to change them out for music controls. If you swipe to the left, you can access some apps that you've pinned there as well as quick-toggles for system settings (such as WiFi on/off).