Guillaume Lesniak, one of the creators of the OmniROM custom ROM, is working to bring the Moto X's always-on listening capabilities (touchless control) to the Nexus 5. The developer explained that the N5's Snapdragon 800 MSM8974 chipset supports always-on listening in a similar capacity to Motorola's flagship. Qualcomm's chipset contains a dedicated voice processor that handles voice commands without activating the central processing unit.
Not unlike similar cases in which available technology was found laying dormant inside the silicon, the voice processor can be activated by tinkering with software. The voice recognition's availability was never a secret, however. It was revealed in a Qualcomm promotional video.
A proof-of-concept video indicates that bringing the Moto X's touchless controls to Google's phone is really possible. Alas, the mod's current condition is unstable and the Nexus 5 ROM will require a fair bit of nipping and tucking before your Nexus becomes obedient.
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