If you want to get rid of the monotonous look of your Android phone, and if you're going to have a more stylish and unique look, then you should install the Circuit Launcher 2 - AppLock.

This is an application that will change the look of your Android phone. It will give you a new, unique, and stylish look.  This app includes unique and wonderful color themes that will give your mobile device a futuristic look and feel.  You can also customize your phone to your liking with ease with its smooth and intuitive user interface. You will be able to get a new, unique, and stylish keyboard.