Splash Wallpaper is an Android app designed by Timo Partl that allows users to get high-resolution photos of Unsplash on their lock screen and desktop background. The app offers a huge pool of professional, high-resolution photos, currently up to 4K (3840*2160 pixels), for users to choose from.

One of the best features of Splash Wallpaper is its periodic, automated updates of your lock screen and desktop wallpaper, ensuring that users always have a fresh and new background. Users also have the option to filter the photos by search terms, making it easy to find the perfect wallpaper for their device. Additionally, if users really like a photo, they can save it to their device permanently.

Overall, Splash Wallpaper is a great choice for users who want to easily access high-quality wallpapers on their Android device. With its user-friendly interface and automated updates, it's a hassle-free way to keep your device looking fresh and stylish.