Happy Color™ – Color by Number 2.5.2 Apk Free Download Details: Name:  Happy Color™ – Color by Number Category:  Board Current Version:  2.5.2 Screen Shot: Description: Happy Color™ – Color by number is number 1 🔝coloring book 📖 on Google Play. Enjoy coloring pictures for free and get unique drawing experience 🌞 Discover great variety of themed coloring pages: