Google's wallpaper app gets a refreshed collection every once in a while, but it's still pretty limited in what it offers. Today, however, marks the arrival of 3 new categories that should open up the app to more diverse wallpapers, plus a few new wallpapers in existing categories.

First, the new categories are Geometric Shapes, Underwater, and Keep Looking. Only the first one, which feels so Nexus 4, will show up on all devices, whereas the other two appear to be Pixel-exclusive for now. Sad, because I really wanted those underwater wallpapers.

Second, there are new wallpapers in different categories, but they also appear to be Pixel-exclusive for now.

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