Enjoy a premier online mahjong experience with a community of 1.6 million members. A full-featured game perfect for everyone from beginners to experts. Participate in free events regularly.
■ Claim Your Free Trial Points
All new users who download and register for the app receive free trial points without exception.
■ The Popular Online Mahjong Choice of 1.6 Million
Maru-Jan operates a bustling Google Play app, welcoming around 8,000 daily players of all skill levels.
Experience minimal wait times for online mahjong matches with Maru-Jan.
For a superior gaming experience, discarded tiles appear roughly 1.3 times larger on smartphones and tablets, while hand tiles are scaled up by about 1.26 times.
■ Experience Authentic "Real" Mahjong
(1) Tiles with a true-to-life texture.
Meticulously hand-finished details, including transparency, light reflection, and transmission.
(2) Realistic tile arrangement
Feel the authentic thrill, with details like slightly misaligned discarded tiles adding realism.
(3) Featuring both automatic and "manual" tile arrangement
Arrange tiles manually or automatically. Pay close attention to alignment for a tactile experience.
(4) Advanced fully-automatic table research
A simulated fully-automatic table reproduces the natural bias in tile distribution.
Our server-side program uses two tile sets, where the distribution from the previous two games subtly influences the next, adding strategic depth.
(5) Authentic sound recordings
Immerse yourself in realistic sounds of tiles clacking, sticks hitting, and the table in motion.
(6) Streamlined, focused production
A sleek, non-flashy interface lets you concentrate purely on your game.
(7) High-stakes premium game experience
A small table fee applies, but securing 1st place makes it free, creating a uniquely tense and thrilling match.
Discover the dedication to authentic "real" mahjong that defines Maru-Jan.
■ Mahjong AI "KIRIN"
The AI analyzes hand strength, proposing key statistics and optimal discards.
KIRIN is trained exclusively on data from top-tier players—the top 0.008% of our 1.6 million members with an average finishing rank of 2.30 or better.
■ Customize Your Play
Choose from various table mats and in-game voice packs.
Enjoy the game with your preferred personalization settings.
■ Web Replay Function
Review your matches and study strategies directly from your web browser without launching the app.
■ Conceal Your Hand with Declare Sound Options
The first mahjong app to feature sound specification for 1st, 2nd, and Red Dora declarations.
Use declaration sounds tactically; buttons appear only for tiles you wish to declare, keeping your hand hidden.
■ "Set Table" for Playing with Friends
Invite specific players and enjoy private games at a set table.
Games at set tables record results for all participants, letting you host a mahjong tournament right from home.
Daily Variety of Events
Maru-Jan is packed with events, from daily offerings to large-scale tournaments held several times a year.
Our free events are consistently popular with players of all levels. Event announcements are posted regularly within the app.