Riichi Sensei

NEW: Interactive Calculator! Build your hand, tap calculate, and boom - instant scoring with yaku breakdowns. No more manual counting!

Riichi Sensei - Master Mahjong the Visual Way!

Ever stared at a winning hand wondering "How many points is this worth?" or puzzled over whether you actually have that yaku you think you do? We've got you covered!

BRAND NEW: Interactive Hand Calculator Finally! The calculator you've been waiting for: • Build your hand by tapping tiles - it's that simple • Watch as we detect all your yaku automatically • See exactly how your fu adds up (no more arguments!) • Works with everything: chi, pon, kan, even those tricky red fives

Visual Yaku Encyclopedia • All 47 yaku patterns shown with actual tiles • Tap any tile to see what it's called • From basic Tanyao to the legendary Kokushi Musou

What Makes Us Special • Switch between light & dark mode with one tap • Calculator results link directly to yaku explanations • Clean, intuitive design that just makes sense • Works perfectly offline - practice anywhere!

Whether you're learning your first yaku or settling scoring disputes at your weekly game night, Riichi Sensei has your back. Join thousands of players who've already discovered the easier way to master Riichi Mahjong!