Distinguish Pen and Palm input on tablets / iPads
It would be great if I could use the pen on a tablet to draw on the slides AND at the same time use my finger to navigate/swipe and point to places on the slides (like with the mouse on a PC). At the moment any input is either (!) navigation or drawing, and I need to switch modes from one to the other. This often leads to unintended drawing in the navigation area or the sidebar when I want to switch mode back to navigation.
I use an iPad and when I am in the drawing mode it is often really annoying to get the little side-menu open to disable the drawing mode in order to advance the slides. I want to be able to use the pen to draw and my hand to navigate at the same time.
I could then maybe even use my hand to pinch and zoom in on a detail of the slide (additional feature).