PixelBook is a free Android app that offers a relaxing and creative way to color by number. It provides a wide range of pixel art images to color, with new ones added every week to keep the artistic challenge alive. PixelBook is also a social network, where users can publish their own creative images and get them colored by thousands of people who follow their profiles.

To publish images, users can sign in using their Facebook or Google account. PixelBook offers nine different image categories, making it easier for users to find the perfect image for their preferences and mood. The app also features a search filter, daily rewards, and a ranking system that tracks the number of pixels colored by each user.

PixelBook provides an enjoyable coloring experience with its five power-ups, hint tool, and more than 50 achievements. The colored images can also be personalized with the available sticker set, which can be shared with family and friends. Users can create their own images using the draw tool, pictures from their collection, or by taking a picture with the camera. With PixelBook, users can pixel everything and color their world with pixel art.