I think I found a little workaround for tiny apps on the Nexus 10.
I was surprised to see that, with a screen so large, there was no way to stretch your apps full screen.
Go into the settings and click on Accessability.
Open Magnification gestures and turn it on
When you get into an app where everything is tiny…
Triple tap on the screen, then pinch-zoom until it looks good.
This is not a guaranteed fix, mind you. For example, Audiotools Sketch stretches okay for the main tools:
But, you have to scroll to see the top right corner where the tool switching resides:
I guess it’s better than nothing, though.