A free program for Android, by Fancy keyboard for theme apps.
Badace Skull Guns Keyboard – cool gun theme is a new keyboard for Android that lets you add a unique look to your phone. You can choose from a variety of themes, and you can change the colors and other characteristics of the keyboard.
The keyboard supports over 150 languages, so you can choose the one that is most convenient for you. You can also choose your own photos, HD wallpapers, emojis, and app lock pictures, as well as the theme colors (including the background and the buttons). You can also change the font style, font size, and color! Be the designer yourself, hold your own style.