November 21, 2012, 2:22 PM — Here's how you can use a voice command to search via Google Now on your Android Jelly Bean device.
1. Open Google Now.
2. Say the word "Google" followed by your search query.
3. Google Now will perform your search.
For more, see the original article at the link below.
50 Android Jelly Bean tips, tricks and hints | Tech Radar