Touchscreens, pens and annotaion overlay.

[NotationUser]

Yes, the important part is that the annotations are logically separated from all scoring stuff. It should work relatively simple, like a text marker to enhance critical parts or a pen to mark or write stuff in without affecting the basic score.

To be honest, that you consider including this is more than I've expected. Schedule isn't too important to me when I know you will do it anytime.