Unleash the google! Hotword detection every where
Found this on Google +
You can force OK Google everywhere to be enabled thanks to zhuowei's UnleashTheGoogle.
EDIT: DO NOT USE ON L. Just wait.
If you have not updated Google Search and Play Services, here are the updated APKs.
Google Play Services 5.0:
Google Search 3.5 (for ARM):
You must have your Google Search language set to US English and be rooted.
Enable debug/dogfood settings using UnleashtheGoogle, found here. http://coggy.euroskank.com/APKs/UnleashTheGoogle.apk
Force stop Google Search once UTG has ran, then go into search settings, then config flags. Enable both e300 toggles, add the country code(en-US) in "speaker_id_supported_locales".
Save the config by tapping save config settings at the bottom.
Sent from my SAMSUNG-SM-G900A using XDA Premium 4 mobile app