If you're enjoying your AppLock so far, then this particular one would be a great add-on. It offers you the blue app lock theme. It is very pretty and easy on the eyes. 

What's great about this is that it is very easy to use. The installation process won't also take that long. 

Of course, you will be able to choose what kind of lock you want for your device. You can set up a pin or go for the pattern. 

So what are you waiting for? If blue is your favorite color, then you better download it today. It is available for android devices.