I had no sodding idea.
To enable them, go to "Settings" -> "General" -> "International" -> "Keyboards" -> "Add new Keyboard..."
Add the keyboard called "Emoji".
There are tons of emoticons, like, hundreds...
![gallery_255_3_106607.png](https://gbatemp.net/uploads/gallery/album_3/gallery_255_3_106607.png)
To enable them, go to "Settings" -> "General" -> "International" -> "Keyboards" -> "Add new Keyboard..."
Add the keyboard called "Emoji".
![gallery_255_3_139882.png](https://gbatemp.net/uploads/gallery/album_3/gallery_255_3_139882.png)
There are tons of emoticons, like, hundreds...