Riichi Calc - Japanese Mahjong Calculator for Android

Riichi Calc is an easy to use app that takes any valid Japanese mahjong hand and calculates all possible winning combinations. A great companion for any Japanese mahjong player! Feel free to e-mail me about any calculation errors.

Features:

Used for the Japanese variant of Mahjong

Order is irrelevant. The app will rearrange the tiles for you

Determine waits of a tenpai hand

Provides warnings against illegal combinations (e.g. riichi with an open hand)

Calculate points using han and fu as the input

Display terminology in English or romanized Japanese