MK Wallpapers is a free personalization app for Android devices developed by BT YAZILIM. This app provides a collection of high-quality 4K wallpapers for Mortal Kombat fans to use as their device's background. The app includes various categories such as Combat Wallpapers and Backgrounds, Scorpion Wallpapers and Backgrounds, Sub Wallpapers and Backgrounds, and HD Fight BackgroundsUsers can also save their favorite images to their device.

It is important to note that this app is made by mortal fans and not endorsed by any of the owners of the Mortal Kombat franchise. The app's disclaimer states that all logos, images, and names in the app are the property of their respective owners and no copyright violation or infringement is intended. However, if the app is found to be in breach of copyright, any requests to remove images, logos, or names will be honored.