The expression references digital images optimized for display on mobile devices, specifically those featuring the artwork, aesthetics, or persona associated with a particular musical artist. These images serve as personalized backgrounds, changing the visual appearance of a smartphone’s home screen and lock screen.
Using such imagery provides fans with a means of expressing their affinity for the artist’s work. The digital customization allows for a portable and readily accessible display of personal taste, effectively turning a common device into a statement of individual preference. This form of digital expression also has roots in earlier forms of fandom, where posters, stickers, and other physical items were used to signal affiliation and appreciation.