Color by Number: Coloring Games presents a digital coloring experience that translates traditional paint-by-number activities into a mobile format. Developed by Wildlife Studios, the application occupies a growing niche of mental wellness apps that combine creative expression with therapeutic benefits. With a 4.6-star rating on Android, it positions itself as a premium option in the coloring app category, competing through both content volume and technical execution. The application's core functionality revolves around filling numbered pixel sections with corresponding colors from a provided palette. The platform offers thousands of pre-designed images categorized by complexity, theme, and cultural origin, ranging from simple patterns to intricate artworks. A standout feature allows users to convert personal photographs into color-by-number templates through automated image processing algorithms. The technical implementation ensures smooth rendering even on detailed images, with zoom functionality enabling precise color placement on high-resolution artworks. User experience centers on intuitive touch controls where tapping numbered areas automatically selects the correct color from the palette. The interface employs a clean, minimalist design that prioritizes the artwork while keeping tools accessible through contextual menus. Real-world usage patterns show peak engagement during commute times, work breaks, and evening relaxation sessions, with average session durations ranging from 15-45 minutes based on artwork complexity. Performance testing reveals minimal battery drain and stable operation across mid-range and flagship Android devices. User feedback analysis reveals consistent praise for the app's relaxation benefits, though advertising frequency generates polarized opinions. Chris Townsley (June 22, 2025) notes 'the ads suck' despite praising the entertainment value, while Adriana Gugu (August 27, 2025) counters that ads are infrequent and appropriate for a free application. Technical suggestions from Griffin Barrett (July 2, 2025) request orientation flexibility and advanced painting tools, indicating engaged power users seeking enhanced functionality. The developer appears responsive to feedback, with monthly updates addressing bug fixes and content additions. The application excels in providing structured creative expression with genuine stress-relief benefits, supported by extensive content variety and robust technical performance. Limitations include intrusive advertising patterns that disrupt immersion and lack of advanced editing tools for experienced users. Ideal use cases include short relaxation sessions, travel entertainment, and introductory digital art experiences, though professional artists may find the tools somewhat basic. The freemium model provides adequate value for casual users while offering reasonable premium upgrades for ad-free experiences.