A free app for Android, by Halfo.
Oxygen Live Wallpaper is a simple and easy-to-use live wallpaper of 3D objects* in motion with effects. It offers a lot of options for customization and you can adjust the settings according to your needs.
The app allows you to choose your own background image from the gallery.
You can change the speed and type of motion, set the size, and the number of particles. You can also add an effect of gravity and create your own gravity force.
If you don't know how to create a live wallpaper, it's not a problem. The application provides a complete step-by-step guide that will help you create a live wallpaper in a few minutes.