A free program for Android, by Coloring by Number – Pixel Art Games : Next Tech.

Animals Cross Stitch: Needlework Color by Numbers is an app that will allow you to cross stitch animals, landscapes, buildings, and more! With hundreds of animal designs to choose from, you can make your own patterns in a fun and easy way. The colors you choose can be monochromatic or polychromatic, and the patterns are designed to be easy to work with, even for beginners. With this, you don’t have to worry about using the right colors or materials, and you can create a pattern that will look great on your finished piece of clothing, your home furnishings, or even your wall hangings.