A free program for Android, by Alteris.

What are you waiting for? Don’t just sit there and do nothing. You have the opportunity to enjoy a new space-themed wallpaper every day! Just download the app and get it on your mobile device or tablet. It’s easy to use and you can change the wallpaper as often as you want. 

This is a simple Live Wallpaper app, so you don’t need to do anything special. You just have to press the button to change the image and you’re done. 

The app is completely free to use. So, there is no need to worry about any kind of payment.