i try it but not workingIt's called "knock on" on the LG G2. Tap the screen twice without moving the phone and it unlocks. I'm certain this is the feature being requested on the moto x.
On most screens you can also double tap to lock/turn off the screen. I would love to have this feature.
---------- Post added at 04:59 PM ---------- Previous post was at 04:01 PM ----------
Here's the nexus thread for the feature... anyone willing to try?
http://forum.xda-developers.com/nexus-4/themes-apps/app-mod-touchcontrol-nexus-4-t2101488
it s not supported by Touch control
maybe the app dev make this work on Moto x too
on my nexus 4 this app works great and it doesnt consume the battery