The most recent version of the iPhone Software (iOS 5) has the ability to utilize emoticons by use of the native keyboard and software.
Just follow the steps below and you will be up and running in no time. I will include screenshots to make understanding easier. This guide will work on iOS 7.0.2 and practically any other version from iOS 4 onwards.
4: International Keyboards
5: Add New Keyboard…
Select “Emoji” from the list. After selecting, you will be brought back to the “Keyboard” menu. You can either navigate back to the main setting screen or just press your “Home” button to return to your springboard/home screen.
Using the Emoticon Keyboard
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