This app is used to set wallpaper for BTS members. It consists of 8 categories: BTS, V, J-Hope, Jin, Suga, RM, Jimin, Jungkook. How to use this app: 1. Open BTS - Best wallpaper 2020 2K HD Full HD. 2. Choose your favorite picture. 3. Tap "Download" button to save picture to your device's memory. 4. Tap the "Edit" button to customize your picture as you want.