Emoji Switcher (root)

For rooted devices only!This app will let you conveniently switch out the emoji in your system. Currently available free emoji are Google (stock), Samsung, LG, and iOS. For a small charge, Twitter and Emoji One are also available.
Thanks to gonsa from XDA for providing the font files: http://forum.xda-developers.com/showthread.php?t=2618523
Busybox is recommended, and the app is untested without it.