Spotlight: Plastexo app is chock-full of high resolution Material Design wallpapers2
Today, though, you won't be venturing extra-deep into searching, because we found this sweet Material Design wallpaper app to show you. It's called Plastexo, it's completely free and contains as many as 76 backgrounds in resolutions of up to 3200x2560.
Going with the Material flow, Plexo is simple and intuitive to use. It boils down to browsing all the wallpapers that the app has to offer, selecting the one you like, and applying it. You can also save chosen backgrounds to your internal device storage and do things like modifying and sharing them. The Muzei support is the icing on the cake.