Custom Resize Clean Keyboard is a great keyboard theme app that you can use to change the look of your device. It is designed to make your smartphone or tablet look neat, beautiful, and unique. It is made with an easy-to-use interface and can be applied quickly and easily. You can customize all aspects of the keyboard, from the color of the font to the background image. You can apply this keyboard to any Android device you want, including tablets and smartphones.

It's a free app for you to utilize.