Mahjong Quiz: What to Discard
Riichi tile efficiency quiz
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Practice Riichi mahjong 'what to discard?' puzzles. Get the answer and a clear explanation every time, then test your skill in ranked mode. Beginner to advanced.
■ Train your tile efficiency with Riichi "what to discard?" puzzles
From a 14-tile hand, which tile should you discard? Sharpen the tile efficiency that's essential to improving at mahjong by solving "what to discard?" problems. Everything runs on your device — there is no server communication.
■ Features
[Practice mode]
- See the correct answer and a clear explanation after every question
- Understand WHY each tile is the right discard
- Choose Beginner, Intermediate or Advanced and practice as much as you like
[Test mode]
- Take on 10 questions and get ranked by your score
- An 8-level rank shows your skill at a glance
[Realistic problems]
- Beginner: tile-efficiency basics (isolated tiles, bad shapes, ryanmen, and more)
- Intermediate / Advanced: read opponents' discards, riichi and calls
- Learn defense and hand value in advanced problems
[More]
- Japanese and English supported
- Light / dark appearance
- Fully offline
Great for anyone who wants to get stronger at Riichi mahjong and learn tile efficiency from the ground up.
Note: This app does not involve gambling. It is a practice tool for learning mahjong technique.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Added many more "what to discard?" problems (now 726 across Beginner, Intermediate and Advanced).
- You can now rate the app from Settings.
- Language and appearance changes now apply instantly.
- Other minor improvements.
The developer, Bamboo Inside, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bamboo Inside
- Size
- 5.2 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Bamboo Inside