Sketching feature with an additional fullscreen view

The sketching feature is awesome, however I would like to see a fullscreen view, for better sketching and a more pleasant feeling when watching the sketch. I wouldn’t change the design layout of the version now, instead I would just add the fullscreen sketch view. This could look like this:

After pressing the fullscreen view button ( I have hand drawn), the fullscreen should look like the past bear sketching canvas or like apple notes: