check this feature, please vote if you like it
Replace current way to unlock phone with Nokia Bubbles (http://www.youtube.com/watch?v=RSRuY_9ZMsY&feature=player_embedded#!) – Feature Suggestions for Windows Phone
Replace current way to unlock phone with Nokia Bubbles (http://www.youtube.com/watch?v=RSRuY_9ZMsY&feature=player_embedded#!) – Feature Suggestions for Windows Phone