Pixel Art for Muzei provides the best hand-picked pixel art pieces for your next wallpaper.
At this moment collection contains a little over 100 images.

Note:
You must have Muzei app installed to use this extension.
Download it here: http://get.muzei.co/

If you wish to submit your own image into the database please open a Github Issue using the link below. Thanks!

Source Code is availalbe at:
https://github.com/michaldrabik/muzei-pixelart-android