Available on all devices with Android 4.1 (Jelly Bean) or higher.
• Swipe right from your Home screen to see Google Now cards that bring you just the right information, at just the right time.
• Quick access to Search from every Home screen.
• Say “Ok Google” to search with your voice, or tell your phone what to do: send a text message, get directions, play a song, and much more.
• A-Z apps list, with fast scrolling and quick searching of apps on your device and the Play Store.
• App Suggestions bring the app you’re looking for to the top of your A-Z list.
What’s new (September 2015)
• Vertical scrolling A-Z apps list with fast scrolling.
• Search for apps on your device or new ones on the Play Store from the A-Z list.
• App Suggestions use on-device intelligence to bring the apps you’re looking for to the top of your list.
• Folders can be larger, and can have more than one page.
• New Android Marshmallow Wallpapers.
Google Now Launcher