It would be useful to be able to make drawer persistent/permanent, so it can display without shadow overlay and content properly resized:
https://www.google.com/design/spec/layout/structure.html#structure-side-nav
https://www.google.com/design/spec/patterns/navigation-drawer.html#navigation-drawer-behavior

Not sure, if it is achievable, as it is a Popup, but would be good if possible.