1. Have sim do a task eg; plant or cool something.close app as normal
2. Double click home til recently used icons pop up down bottom long hold sims til red - comes up an press
3. Go to settings turn airplane mode on an go general>date&time change date to a month ahead so eg; 15 April 2013
4.turn airplane mode off & quickly turn off wifi
5. Go open sims freeplay an task is complete ?