BTS wallpaper video: live 4k is an Android app for browsing BTS-themed images and video wallpapers to use on a device's home or lock screen. Its description also mentions BTS songs, concerts, and trending videos as part of the content available through the app.

Photos and live wallpapers

The app describes a collection of thousands of BTS wallpapers, including high-quality photos of the group’s members. Users can choose a still image or select a wallpaper video to set as a live wallpaper. The description specifically identifies both the home screen and lock screen as places where users can display a live wallpaper.

Browsing and wallpaper updates

A user-friendly interface is cited for browsing the collection and selecting an image. The app’s description says new wallpapers are added weekly, so the collection is intended to receive fresh options over time. It does not specify how updates are delivered or whether every category receives new content on the same schedule.

Saving and sharing

Selected wallpapers can be downloaded to the device and shared with friends. These options apply to the wallpaper content described by the app; the source does not provide further details about sharing methods or the formats available for saved items.