You'd be in mid-conversation with someone no doubt discussing Ms. Jolie's tendency to take her kids to the nearby Lee's Art Shop but each time the door swung open, all heads would turn in its direction.

WSJ: Angelina Jolie as Film Director, Promoter

Unlike HTC's implementation, however -- which had an unfortunate tendency to be hit and miss in its recognition -- Samsung's "Turn over" feature works without hitch each and every time.

ENGADGET: Samsung Galaxy S II review Hands-on