A free app for Android, by TIME SPACE SYSTEM Co. Ltd..
Custom Design Keyboard is a very nice app that allows you to customize the look of the keyboard on your Android device with the theme you like. In the application, you will find a variety of beautiful themes that you can choose and apply to your device, which will allow you to personalize it to your liking. The customization of the keyboard will be easy and intuitive to use.
The first thing you will need to do is download the app and install it.
After the installation, you will need to open the application and select the theme that you want to use.
