Unicorns Wallpapers from Flickr is a great app for all Android users who want to change their phone's home screen and lock screen with great pictures. All the images are from Flickr, the most popular online photo-sharing network, and the images are of the highest quality.

The app has a simple interface that makes it easy to use. Once you have downloaded the app, you can immediately start using it. The first thing you need to do is select the type of wallpaper you want to set. You can choose from a variety of different categories, such as backgrounds, lock screens, and home screens. Next, you need to choose the image you want to use as your wallpaper.