Two free apps for locking your phone

While Nokia 5230 supports automatic key locking here is two apps to increase your convinence in two ways.

Slide Unlock
It gives you the option to unlock your phone the iPhone style.Just slide to unlock your phone.

http://store.ovi.com/content/47631

Pocket Lock
Pocket Lock does what it says locks your phone when you place it in your pocket.It uses phones proximity sensor.
http://store.ovi.com/content/35377

source[ovi daily app]