Audi Go Locker Theme.
This is a custom lockscreen replacement app with image of Audi Car r8 as the background.
Important instruction: GO Launcher EX V2.67 or above and GO Locker v1.05 should be installed on your phone to get this locks creen theme app working
Go Locker xxxxx Launcher EX is a Go Locker iphone lockscreen based on Car theme. Just apply this theme to your phone and customize your lock screen in Couple theme