One of the unique features of Windows Phones are their soft keyboard with emoticons support. In Windows Phone ‘Mango’, Microsoft is improving on it by the diplaying the emoticon characters:-),:-( as graphical characters such as 🙂 , :-( just as in Windows Live Messenger. Pocketnow have posted the above screenshot showing the new feature in the messaging hub. A welcome feature for emoticon lovers since it truly will reflect their emotions.
Source: Pocketnow