A free app for Android, by Pawel Gazdik.

Aquarium Video Wallpaper for Android is a free application that offers you a wide selection of aquarium backgrounds for your mobile device. With this application, you can create and customize your own home screen. You will find backgrounds with a wide variety of themes, including sea animals, landscapes, flowers, plants, and much more.

To create your own home screen, just choose a theme, click on the Add Image button, and you are done. To make it more personal, you can choose a photo from your device or add a new one.

This application is very easy to use and very user-friendly.