FastLock allows you to quickly open certain applications directly from the LockScreen

  FastLock is a new tweak for iDevices that was launched last evening in Cydia and it allows us to quickly take various actions from the LockScreen. The tweak automatically adds to the LockScreen in iOS some shortcuts for the most used applications of the operating system and with its help we can quickly open the Phone, Messages, Mail, Contacts, Camera, Clock, Notes applications or we can write tweets uri on the Twitter social network. FastLock does not have a settings menu and does not allow customization of shortcuts, so everything you see is permanent.

  Although FastLock cannot be customized, the good part is that it also works with iOS 4, so owners of old terminals can use it without problems. FastLock is available for $0.99 in Cydia.