Now you can install Google Now Launcher on your Android device running 4.1 Jelly Bean or newer. The Google Now Launcher comes with Google Voice commands, widgets and Google Now.
From your primary home screen, swipe right to access Google Now cards that can give you just the right information, at just the right time. Applications list comes with a custom wallpaper background and icons are larger than the standard launcher.
You can download the Google Now Launcher for free from Google Play Store.