Default [Q] REQ: Nexus style menu button

Coming from using Nexus devices for a long time, i got used to not always having the menu button on the nav bar (it shows on demand, and many apps like Chrome have a menu button in the ui), is it possible to get the same functionality on our G2s ?
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Nexus 5 / SlimKat / Bricked Kernel / PA Gapps
LG G2 D806
Nexus 4 / SlimBean
Asus Transformer Prime TF201