Might be what your looking for. Basically what you want is Immersive mode that's available on Stock roms like CM11 and AOKP. Unfortunetly we don't have an unlocked bootloader for this phone yet, so we don't have access to this yet. Please note the above link only works for the nav buttons. You could also check out removing the nav buttons (via tweakbox) and replacing with LMT, pie controls! works like a charm for me
Use Nova Launcher... (+1)
You can assign gestures to show/hide status bar and the dock (I use double finger swipe up to show/hide status bar, and down for the dock icons. In the settings you can select Nova to hide nav bar which will complete the trick for you. Like this...
Android L, once it is eventually released, will featuredata encryption turned on by … more
20 Sep 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?