keyBackClicked is not working in WP8

Hi,

keyBackClicked is not working in WP8. Please advice.

you can read at : http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj247550(v=vs.105).aspx

Natokan Sonkugo wrote:

you can read at : http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj247550(v=vs.105).aspx

How to incorporate it to cocos2d-x for WP8?