From California Department of Motor Vehicles:
California's DMV NOW is the one-stop mobile directory where you can meet many of your DMV needs from your Android device. Users will be able to: - Renew your vehicle's registration. For faster service, users can make an appointment before visiting a DMV office. Prepare to take the written driver's license exam by taking sample tests. Find useful links to DMV's internet site where you can access DMV's online services and publications. Watch DMV instructional videos. Find the nearest DMV Field Office (with wait times if available). Get Important California DMV News instantly with DMV Alerts and DMV's social media feeds.