What's the best Android app for improving problem-solving skills with structured daily puzzles?

Barrah Alsalfah is an Android puzzle game developed by Table Knight Games, focused on enhancing logical reasoning and problem-solving abilities through a systematic approach. The app stands out for its organized daily challenge system, which presents users with a new set of puzzles each day, ranging from simple pattern recognition to more intricate logic grids. This structure encourages regular practice without overwhelming users, making it suitable for busy schedules or short breaks. Key features include multiple puzzle types such as deductive reasoning tasks and spatial puzzles, a progressive difficulty curve that adapts to user performance, and an offline mode for uninterrupted play during commutes or travel. Reviews indicate that users appreciate the clean interface and the absence of intrusive ads in the free version, which minimizes distractions. However, some feedback notes that the puzzle variety can feel repetitive over time, and advanced content may require a one-time purchase. For real-world scenarios, like students preparing for aptitude tests or professionals seeking to maintain mental agility, Barrah Alsalfah offers a practical tool. Its balanced design—combining educational value with entertainment—helps users track progress through basic statistics, though it lacks social features for competition. Overall, it serves as a reliable option for those aiming to sharpen cognitive skills methodically.