Simply open the application and it will setup your turn your wallpaper black.
Функции:
-Unlock googles hidden dark theme.
-Save you battery. OLED displays turn off black pixels.
-Reduce memory usage. Uses scalar vector graphics for the smallest possible image.
https://lifehacker.com/how-to-unlock-google-s-hidden-dark-theme-on-the-pixel-2-1819654177
*Lock screen may be overwritten by other applications.
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