Now you can set Original size image in Home And Lock Screen.
This simple app show & manage your (live) wallpapers.
Feature:
* Automatize resize as per screen size(Not Crop).
* No Cropping Image
* You can set Different image on Lock screen.
* Set Image brightness and darkness as per photo.
How to set:
go to the home menu, then Wallpaper -> Live Wallpaper
Download