customisation

I was thinking of buying the optimus 4x and was wondering, can i put live wallpapers on the lock screen just like on the galaxy s3

I have seen it on someones phone from a youtube video, but they did not mention where or how they got it. The homescreen for their phone would rotate as if it was a 7-sided cube. I would like to know if this is an app, and what it is called. Or simply, I would like to know how I can get it on my...