A free program for Android, by 2021 Cool Keyboard for Android.
Flaming Skull Keyboard is a smart & personalized keyboard for Android. It has been loved by over 20 million users and is compatible with almost all Android phones. You can connect with your friends in 150+ languages, and with over 6000+ Colorful themes, you can create your own personalized keyboard.
You can change the color of the keyboard, the font style, the font size, and the background.
You can also change the theme colors (including the background and buttons), and customize the font style, font size, and color! Be the designer yourself, hold your own style.