This is a simple app that uses the Muzei 3. 0 API to save the currently displayed Muzei wallpaper to your downloads directory. Step 0: Obviously, your current wallpaper should be Muzei 3. 0. Step 1: Tap the icon in the app drawer or use the quick settings tile. Step 2: Select where to save the image. Step 3: Profit? Nope, because this app is FREE!