Wii U owners can find a tweaked version of the system menuhidden away in the system's backwards compatibility mode, featuring just enough updated code to block existing exploits.
Quick settings can also be accessed by pulling it down from the top right portion of the screen, whereas the notifications menu is hidden in the top left.
The Manage menu is little more than a way to directly access the hidden Android settings -- it brings up a standard Android settings menu, which we're told will be swapped for a custom screen in the future -- so let's put that aside for now.