Desktop Deco : Your home decor

This app has several beautiful ornaments built in, you can use them to decorate your home, just open the app and put your phone/tablet on the desktop. It can also provide a sense of atmosphere when working/studying, helping you to improve your concentration.
Built-in ornaments are:
Lucky cat: a cute round kitten waving its hands. You can set the waving speed and freely set floating text.
God of Wealth: The "wings" on both sides of the hat can shake like springs, very lively, with a strong festive atmosphere.
Double pendulum: Presenting a fantastic physic world.
Christmas tree: Great to use in Christmas. Very please to watch the tree and the falling snow.
Perpetual machine: In real world it's not possible, except in this virtual world.