3 features I would to see in future updates are:
1. Simply select handwritten text by simple doing a drawing a circle around it with the pencil instead of having to go all the way to the circle icon.
2. Erase text by simple scratching it back and forth
3. In order to have our palm staying all the time on the screen the page should be movable all the way up. This would help when you arrive at the bottom of a page (without use of the magnifier) to keep your palm on the iPad and not having on the side.