Cool Wallpager - Edge is a free app developed by Laschon Dieter that lets you customize your smartphone home screen and lock screen with a beautiful colored rounded border. With this app, you can create cool edge lighting live wallpapers and adjust the animation speed to your liking.

One of the best features of Cool Wallpager - Edge is that it supports all types of notches, so you don't have to worry about compatibility issues. You can add your own image as a background or draw with the app drawing tool to create a unique wallpaper. You can also use your name as a colorful animated live wallpaper with or without edge screen.

In addition, Cool Wallpager - Edge allows you to create gradient or solid color wallpapers and use any of your creations as a static home screen background. You can customize the border thickness, style, notch width, height, border color, speed, and more. Plus, you can import or export the themes you create with just one click. Overall, Cool Wallpager - Edge is a great app if you want to personalize your smartphone's home screen and lock screen with a cool edge lighting effect.