A free program for Android, by Gif Keyboard Themes for Android.
A free theme with tons of customisation. You can change the wallpaper, icons, buttons and even the layout of the keyboard. All you need to do is download the app and start making your phone look just the way you want.
The best part is that you can use this app without having to pay a penny. There are no hidden fees or costs, so you can change everything on your phone without spending a penny.
This app includes a free theme, which is based on Wave Keyboard. You can use the customisation options to change the look and feel of your phone. You can change the icons, colours, and even add a custom keyboard.