syosyosyo: Free. Look for wallpapers to apply/save from Wallbase. You can choose to show only those of a certain resolution too. (I recommend using Quickpic to apply wallpapers for proper cropping)
This is an Android client for the amazing wallpaper website Wallbase.
✓ Browse, set and save over 1 million HD wallpapers
✓ Browse popular wallpapers
✓ Browse random wallpapers
✓ Browse popular tags
✓ Search by keyword/tags/color
✓ Filter by resolution, rating and 4chan image board ABOUT WALLBASE
Wallbase (http://wallbase.cc) is a website which scrapes wallpapers from 4chan (http://4chan.org/) and then allows users to tag/moderate the wallpapers. If you find a wallpaper which is tagged/classified incorrectly then please visit the wallpaper on the Wallbase website directly to modify it. Please also visit the Wallbase website for handling copyright related issues.
This application is of high maturity. Do not use it if you think you will be offended. The NSFW category cannot be included due to Android's no porn policy.
Color Picker (https://code.google.com/p/color-picker-view/)