How to Enable Emoji Emoticon Keyboard in iOS5 and iMessage
With iOS 5, you are able to switch to a keyboard made up entirely of emoticons and use Emoji in imessages, emails, and more on your iPad. This feature is actually helpful and cool.
How to activate emoji on iPad iOS 5
* From your device's home screen, tap Settings 》 General 》 Keyboard.
* Tap the "International Keyboards" tab, "Add New Keyboard", and select the "Emoji".
To use Emoji in iMessage app, you need to switch the keyboards, and tap the globe icon to the right of the space bar. Tapping the icons along the bottom of the keyboard allows you to switch between different emoji themes.