Kika Keyboard - Cool Fonts, Emoji, Emoticon, GIF is more than just an attractive alternative to the Android keyboard. It's also a good choice if, besides a well-designed keyboard, you're looking for one that allows you to change both the font and text size.
With this app you can also create your own custom keyboard using a photo. Any image can become a keyboard thanks to this nifty tool.
What's more, it also lets you search for specific themes via the Internet, giving you the option to find an endless array of colorful, classic, or themed keyboards in addition to those included by default.
Emoji Keyboard also has autocomplete, autocorrect, autocapitalization, phrase prediction, and images and smileys that you can insert into the text to give a fun twist to your conversations.