1. Buy go.tagjag.com/emoji in iTunes (.99c)
2. Install and click through any story in the app.
3. Go navigate through the iPhone’s Settings: General | International | Keyboards | Japanese | toggle Emoji to on
4. SMS emoji graphics to anyone else who uses an iPhone - just click the globe symbol that should now appear in the SMS keyboard!
in step 1, the url is http://go.tagjag.com/emoji
This url opens up iTunes, so don't do it on your iphone. It won't work.