Neon L.E.D. Keyboard - Neon L.
WordBoard - Save time typing on your phone
A.R. Emoji Custom Keyboard 4+ - A.
Keyboard Skins for iPhone - Keyboard Skins for iPhone is known as a keyboard extension that comes with cool designs, colors, and customizable stuff that change your standard keyboard theme.
Phraseboard Keyboard - Phraseboard Keyboard is a free to use mobile application that customizes and categorizes your Keyboard with easy to access phrase.
Color Keyboard - Color Keyboard is a simple yet powerful keyboard application that helps you quickly design colorful Keyboard.