BYOC · bring your own card
Official card beside MAHJ
Your printed card remains the authority — MAHJ mirrors your shorthand and rehearses the ledger. Play beautifully. Card companion and guided directions shape coaching — optional shorthand stays available for power users.
Official card · beside MAHJ
Use your official card beside MAHJ
MAHJ complements official play — your physical card remains authoritative. We help you rehearse rhythm, review decisions, and improve table posture without becoming the card source. Support the organizations that preserve and grow the game by purchasing the current card from the official store.
Visit official card storeMAHJ is an independent rehearsal and coaching product — not affiliated with, endorsed by, or sponsored by the National Mah Jongg League.
Your physical card remains the authoritative reference. MAHJ uses your selected directions and personal notes only to shape coaching and replay.
Guided direction
What direction feels alive?
Choose up to three coaching postures. These shape guidance and replay emphasis — they never replace your printed card or prove a line.
0 of 3 selected
Hand family
Table posture
Rhythm
Flexibility
Beginner-safe
Expert focus
Card companion
What are you trying to preserve?
Tap families and tempo beside your physical card — no shorthand required. MAHJ uses this only to shape coaching and replay.
What direction feels alive?
Up to 3 families — posture only, not card text.
What kind of table is this becoming?
Up to 2 tempo cues.
Hydrating local rehearsal markers…
Optional personal anchors
Power-user shorthand
Card companion and guided directions above are the easy path. Add section nicknames or focus lines only when they help you — your physical card stays authoritative.
Use beside MAHJ
Rehearse with your printed card open on solo table or Play. Saved markers stay in this browser — clearing the footer session resets them with everything else.
Coaching and replay are advisory only — Rules Engine and your printed card decide legality and scoring at the table.