How to scroll home screen wallpaper

Okay, we know our stock rom galaxy s3 can't scroll the wallpaper. Now we can fix it, follow the instructions  and lets go....

here is the instructions :

1. Open google play
2. Search landscape wallpaper
3. Install it, and open
4. Follow the instructions steps, from 1-2
5. Done

if there are any questions, just comment :)