HD Space Live Wallpaper is a free Android app developed by BlackBird Wallpapers. As the name suggests, it is a live wallpaper app that provides users with a 3D space-themed desktop screensaver. The app offers a wide range of features including interactive 3D asteroids, gyroscope scrolling, and HD cosmos backgrounds.

The app has a set of space backgrounds like earth, deep space, galaxy, and more. The animations are smooth and based on OpenGL ES, giving the app an overall realistic feel. The wallpaper supports horizontal orientation and looks great on both mobile phones and tablet devices. It also supports screen switching and all screen resolutions, including 1920x1080 and 1280x768. Additionally, the app will sleep when your phone is inactive, so it will not drain your battery.

To set the 3D space wallpapers on your phone's home screen, you need to go to Home → Applications → Settings → Display → Wallpapers → Home screen wallpaper → Live wallpapers → HD space live wallpaper. The app is free to download but contains ads.

Overall, HD Space Live Wallpaper is a great app for anyone who loves space-themed wallpapers. The app is easy to use, has a wide range of features, and provides users with a realistic experience.