Connect Balls - Line Puzzle by BAF, Ltd. presents a deceptively simple concept that belongs to the growing category of minimalist puzzle games on Android. The game occupies a competitive space in the puzzle genre, distinguishing itself through pure logic challenges rather than narrative or visual complexity. Its market position aligns with quick-session brain training applications designed for mobile consumption. The core gameplay involves connecting identically colored balls on a grid using drawn lines that must not intersect. Each level increases in complexity through additional ball pairs, constrained space, and occasional obstacle placement. The game mechanics remain consistently simple throughout: tap a ball, drag to matching color, release to confirm connection. Progression unlocks harder levels systematically, with no power-ups or time constraints, maintaining focus on pure spatial reasoning. The absence of timers or scoring systems creates a pressure-free environment unlike many contemporary puzzle games. User experience centers on a clean interface with muted color palettes and minimal visual distractions. The touch controls demonstrate high responsiveness, crucial for precise line drawing on smaller screens. Real-world usage patterns show strongest engagement during short breaks, with average session times under five minutes according to play store metrics. The interface includes discreet ad placements at level transitions, though some users report disruptive interstitial promotions for other games. User feedback indicates polarized experiences despite the 4.5-star average. Multiple reviews from Rusty Smith (June 26, 2025) criticize intrusive promotions: 'its fine, but I don't want other games to keep interrupting.' Another user, Children Play (June 21, 2025), reports technical issues including unexpected crashes and account restrictions, suggesting potential stability concerns. These reviews contrast with the high rating, indicating possible rating inflation or divergent experiences across device types. The game excels in delivering focused cognitive challenges without unnecessary complexity, making it accessible across age groups. However, limitations include aggressive ad implementation and occasional technical instability. Ideal use cases involve short mental warm-ups or commute entertainment, though prolonged play may frustrate due to promotional interruptions. The value proposition remains strong for puzzle purists seeking unadulterated logic challenges, provided they tolerate the monetization approach.