Today we only used both our thumbs to type on our smartphones and there is no need to keep following the complex QWERTY arrangement (unless you are a trained touch typing ninja who knows the full QWERTY order like the back of your hand).
It’s time to follow the obvious ABC order of keys in smartphone keyboards
Minimizing finger movement is still important, even when only using two fingers on a smartphone screen. Although not as significant as it would be on a full size keyboard, all of those extra little reaches add up.
Besides, everyone is used to QWERTY and alphabetical order is not much better (if you have to find each key via the order you will type very slowly).
Does Swipe to type still work?