Delayed Lock v2.7.4

Delayed Lock v2.7.4
Requirements: Android 1.6 and up
Overview: Not using any pattern-, PIN- or password-lock is a huge security
problem, but reentering your PIN a hundred times a day can also be annoying.
DelayedLock is a solution to this problem: After unlocking your phone, it will
turn the lock screen off for a user defined amount [...]

More: http://mobilehere.net/2012/08/delayed-lock-v2-7-4.html