How to Add App shortcut to Lock Screen on Galaxy S4
You can enjoy the features of Lock Screen Widget on Your Samsung Galaxy S4. To enable this feature, you just need to follow these simple steps:
1. Go ...
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You can open Google Now on Nexus 4 (Or other Android phones with Jelly Bean 4.2.2) from Lock Screen, Home Screen, and App drawer (App and widget list). Follow the instruction
On Lock Screen: Tap and hold the small circle button on the bottom center, and then move your finger to the Google icon
On Home Screen: Easily add Google Search widget to your home screen
On App Drawer: Tap and hold Home button and swipe up to launch Google Now (It works on Home Screen and other apps if Home Button is active)