Pitch Black Wallpaper - Pitch Black Wallpaper is an application, allowing you to set the pitch-black wallpaper to your smartphone or tablet.

John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads

Great Wallpapers For iPad - Great Wallpapers is an all-in-one iPad application that comes with high-quality images from a plethora of categories.

Muzei - Muzei is a live wallpaper that gently refreshes your home screen each day with famous works of art.

Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.

Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.