It's the real danlelion flower, with flying floret, effecting with the wind...
Which is support in full version:
1. Quivering when you touch it
2. Floret will fly far away because the wind from your finger.
3. Change the background to your own pictures.
4. Make the background look like 3D with lost focus blur effect.
5. New water effect when tapping. (you should enable in setting)
Full version is only sells in SideMe market places until Google Play supports my country.

Try free version at:
http://slideme.org/application/dandelion-live-wallpaper-2

Screenshots: 

Video: