Free
In-App Purchases
Rating summary
About
Start a match the moment you want to play, with rules and visuals you can customize down to the smallest detail. Whether you just learned the rules or you're an experienced player who cares about the fine print, play at your own pace.
■ Online Match (NEW)
- Play real-time matches with friends or other players around the world
- Just create a room and share the code to start playing right away
- Empty seats are automatically filled by CPU, so you can play solo anytime
- Choose rule presets (Original / Tenhou / M.League), match length, and time bank per room
■ CPU Matches
- Easily choose the CPU difficulty
- In detailed settings, set each seat's play style individually from 6 types, including aggressive caller, defensive closed-hand, and silent tenpai (damaten)
- Choose unlimited thinking time, 10 seconds per discard, or a 300-second time bank — for both careful thinkers and fast players
■ Fully Customizable Rules
- Rule presets based on Tenhou and the M.League, plus original rule sets
- Fine-tune everything: open tanyao (kuitan), aka dora count, riichi/ippatsu/uradora/kandora, kuikae (swap-discard restriction), dealer repeat conditions, yakuman stacking, double yakuman, counted yakuman, pao (liability), round-up mangan, and more
- Choose your match format: East-only, half game (hanchan), or single hand
■ Assist Features for Beginners
- Discard assist and call assist help you decide without hesitation
- Check the yaku quick-reference chart anytime
- A how-to-play guide and on-screen assist display let you learn the rules while you play
■ Match History
- Every match's results are recorded so you can review your own play style
■ Fully Customizable Appearance
- Board backgrounds include original colors plus "animal" themes: red panda, cat, shiba inu, and fox
- Tile designs now include a free illustrated Red Panda theme, for both tile faces and tile backs, alongside the classic color scheme
- Adjust the size of your hand tiles and river tiles to your liking
- Pick one BGM track for the whole match, or a different one for each hand from East 1 to South 4
- Additional content (in-app purchase) unlocks even more customization, including detailed color settings and a hand-drawn canvas theme
Any opponent you like. Any rules you like. Any look you like.
Make mahjong your own, with Let's Play Mahjong.
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What's New in Let's Play Mahjong
1.3.1
October 18, 2026
・After a match ends, you can now return to the room list instead of staying in the same room. ・Players in the online lobby are now shown by animal name (Red Panda, Lion, etc.) instead of generic labels. ・The discard-assist hint in online matches is now off by default. ・Fixed a rare issue where an online match room could remain stuck after being left unattended for a long time.
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Subscriptions & In-App Purchases
$1.99
Custom Color Unlock
Freely pick RGB colors for tile face design.








