Download China’s Tik Tok ‘world’s most downloaded app’ in 2018 first quarter Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. China’s Tik Tok ‘world’s most downloaded app’ in 2018 first quarter Wallpaper is part of the TikTok collection.