Enjoy the artwork of Katie Harmon (PinkPolish Design) on your phone! Digital downloads are now available for phone background and lock screen artwork. Each art print is carefully cropped to an optimal size and aspect ratio to work with your phone. Simply download and enable as your background. This phone background is a giraffe with its tongue out from my original artwork "Cameleopard". You will receive a .jpg file. For Android phone: Go to 'Settings' and select the 'Wallpaper' option. Select 'Choose new wallpaper.' You will then be given the option of selecting from the phones stored designs (dynamics and stills), or you can select a photo from your gallery. Select 'Set' then choose either 'Set Lock Screen,' 'Set Home Screen' or 'Both.' For an Iphone: Tap the picture. ... Tap the icon at the bottom left (the one that looks like an arrow trying to escape from a rectangle). ... Tap the Use As Wallpaper button. ... When you're satisfied with what the wallpaper will look like, tap the Set Wallpaper button.