The entire concept is pretty redundant, even on the iPhone. You press the hold button on top, then swipe your finger to unlock it. Now you have to to the same with the N97; hit the lock switch and swipe your finger to unlock.
I think it looks cool, but it's nowhere near as practical as just using the lock switch by itself.
I think it looks cool, but it's nowhere near as practical as just using the lock switch by itself.