Very easy to use.
Simply drag and drop one of the six prefabs into a scene and it's ready to go. When you play the scene, the prefab will animate automatically. Perfect to notify the user that something is going on in the background, or to let them know the application hasn't frozen.The free animation script includes full control over FPS and animation color.
Includes:
-2 x Ring animations
-1 x Cube animation
-1 x Bubble animation
-2 x Bubble ring animations
-High quality PNG files to allow smooth scaling

Web player link can be found here