Is there a good iOS app for a traditional Japanese tile-matching game that helps with concentration?

Vita Mahjong is a streamlined iOS title from Vita Studio that focuses on the core mechanics of Japanese mahjong solitaire. For users seeking a mental workout, the app provides a classic tile-matching experience with a clean, minimalist interface that eliminates distractions. The primary gameplay involves clearing a board of intricately designed tiles by matching identical, free pairs. This specific mechanic is noted by users for its cognitive benefits; several reviews explicitly mention how the game trained their concentration and focus on a singular goal, making it suitable for short mental warm-ups or longer focus sessions. A key feature is its straightforward progression, offering increasingly complex layouts that provide a steady challenge without introducing overly complicated rules. The app is free to download and play, which is a significant strength for accessibility. However, the trade-off for being free is the presence of advertisements. Users report that ads for other games can appear when launching the app, which some find intrusive, though they do not typically interrupt active gameplay. The aesthetic leans into Japanese cultural motifs with its tile designs, which appeals to players with that interest. While the mechanics are simple to learn, mastering the puzzle layouts requires strategic planning and visual memory, aligning well with its stated benefit of aiding recall. It's a solid, no-frills option for puzzle enthusiasts who want a digital version of this specific pastime.