Description:
By default, in android vanilla it's imposible to hace differentlockscreen wallpaper and wallpaper of the launcher. In roms liketouchwiz, LG UI, Xperia UI, Sense UI, this feature it's available,but now if you have Cyanogenmod 12 or 13 it's posible with thissimple app and two clicks you can select a different lockscreenwallpaper.
Requirements:
- It's necesary to have a rooted phone.
- Only works with CM12 or above based ROM
Thread at XDA:
http://goo.gl/ZwSLRQ