Magic Hour: Spring changes the background of your Roku menu screens to show a Springtime scene waterfall flowing into a deep-blue lake with colorful houses nestled on the shore, as shown in the screenshots below.
To set this wallpaper manually, install the wallpaper as you would any other channel, then go to Settings from your Roku's home screen and select Theme >> Wallpapers >> My Wallpapers >> select the wallpaper.
-- Information is current as of March 16, 2023
CHANNEL STORE DESCRIPTION: Roku Themes
CHANNEL STORE CATEGORY: Themes
DEVELOPER: Roku Themes