オンライン麻雀 Maru-Jan

Discover the world of online mahjong with Maru-Jan, a top-tier platform trusted by 1.6 million members. Whether you're just starting out or you're a seasoned player, Maru-Jan offers a full-featured, immersive experience tailored for all skill levels. With smooth matchmaking and short wait times, you can jump into a game quickly and enjoy authentic mahjong gameplay anytime. Plus, the app regularly hosts free events, giving everyone a chance to play and win without any cost.

Get Free Trial Points

New players who download the app and complete registration will receive free trial points—guaranteed. No exceptions. This is the perfect way to dive into the game and experience all the features Maru-Jan has to offer without spending a dime.

Join a Thriving Community of 1.6 Million Players

Maru-Jan’s Google Play version is bustling with around 8,000 active players daily. From beginners to experts, everyone enjoys a fast, responsive, and seamless online mahjong experience. The interface is optimized for smartphones and tablets: discarded tiles are displayed 1.3 times larger, and hand tiles on smartphones are enlarged by 1.26x for better visibility and comfort during long sessions.

Experience the "Real" Mahjong

Maru-Jan goes beyond standard digital gameplay to deliver a truly authentic feel:

• Realistic Tile Texture: Every tile is meticulously crafted with real-world details like transparency, light reflection, and transmission—just like physical tiles.
• Authentic Tile Arrangement: Discarded tiles are slightly misaligned, recreating the tactile sensation of real mahjong.
• Manual Tile Arrangement: Choose to arrange tiles manually and focus on precise alignment, just like in a live game.
• Simulated Automatic Tables: Advanced programming simulates a fully automatic table, including tile bias. The system uses two tile sets on the server, mixing them to ensure the distribution from the previous two games subtly influences the next one.
• Real-Recorded Sounds: Immerse yourself in genuine sounds of tiles clacking, sticks tapping, and the table operating—recorded from real equipment.
• Minimalist Design: With no flashy distractions, the clean interface helps you stay focused on strategy and gameplay.
• Serious, Competitive Play: Maru-Jan is a paid platform, but if you finish in 1st place, your fee is waived. This creates a high-stakes, tension-filled environment perfect for serious players.

Step into the authentic world of mahjong, exactly as Maru-Jan intended.

Meet Mahjong AI "KIRIN"

Enhance your skills with KIRIN, Maru-Jan’s advanced AI. It analyzes tile efficiency and suggests optimal discards using data exclusively from elite players—the top 0.008% of Maru-Jan’s 1.6 million members, all with an average finish of 2.30 or better. Whether you're learning or refining your strategy, KIRIN provides reliable, top-tier insights.

Customize Your Game

Make the game your own. Choose from a variety of table mats and in-game voices to personalize your experience. Play with your favorite themes and sounds, and enjoy a truly tailored session every time.

Web-Based Score Review

No need to launch the app to study your past games. Maru-Jan’s web score function lets you review match history, analyze decisions, and improve your strategy—all from your browser.

Secure Call Function to Protect Your Hand

Maru-Jan introduced the first-ever “1st call,” “2nd call,” and “red dora call” specification feature in any mahjong app. This smart system displays call buttons only for tiles you’ve selected, minimizing the risk of exposing your hand. Play confidently and keep your strategy under wraps.

"Set Table" – Play With Friends

Invite your friends and host a private game using the “Set Table” feature. All player results are recorded, making it perfect for friendly tournaments or casual matches from the comfort of your home.

Daily and Special Events

Maru-Jan is packed with events—from weekly regulars to major seasonal tournaments. All events are free to join, making them accessible to players of all levels. Stay updated through in-app announcements to never miss out on the action.

What's New in Version 22.5.1

Updated on Jun 24, 2024 – Minor bugs have been fixed to enhance stability and performance.