Personally I like the Expanded Desktop feature that is implemented in most ROMs these days. It'll allow you to hide the navigation bar and notification bar by holding thir power button and selecting Expanded Desktop from the list of options.
Sent from CAMACHO, my Verizon G2 (VS980) running PAC ROM 4.3.
The Aphotic Chaotic
LG G2 VS980 (Verizon) [JB 4.3] PAC-man ROM
Nexus 7 [JB 4.2.2] XenonHD