The windows phone app which has gone free next as myApFree app of the day is Lock Screen Changer.
This app automatically changes the lockscreen using user’s image collection and you can create and manage easily multiple lockscreen collections.
Lock Screen Changer Features:
– crop/recrop/rotate/flip image
– multiple images and multiple collections
– sequential/random lock screen change
– schedulable lock screen collections
– additional live tiles of lock screen gallery
– easy and clean interface
– reliable lock screen change
– stable execution
– reasonable functions for
– lower battery consumption
– minimum storage usage
– lossless image quality