Go Locker is a popular application from GO Launcher Ex and it is designed to let you customize your device’s lockscreen. If your device does not come with lockscreen by default, or if you are fed up with the lockscreen that you are using, you may want to give GO Locker a try.
The GO Launcher EX is a cool app that is available on the Appstore and you can customize your phone fully with its help. It takes your device to a whole new level and also increases its speed in general. With this app you are able to get a full makeover for your device.