Simply put, the SmartScreen iPhone / iPod Touch application allows "informational widgets to be placed and used on the lock screen; widgets are similar to those offered by Apple's 'dashboard' and they follow familiar look and feel." Continue reading for a video demonstration.
Sadly, it won't be available from the Apple iTunes Store: It requires to jailbreak your phone. However, it's completely worth the effort, especially if they include some useful widgets with it.[via Gizmodo]