Shuangxi Mahjong: MCR Scoring and a Monthly Ranking
2026A mahjong scoring app for Shuangxi, Surabaya: an 81-fan MCR calculator, one phone per table, a monthly ranking across tables, and a TV display.









Tech Stack
Key Features
- 01MCR calculator with 81 fans and an adjustable 8-fan minimum
- 02One phone can score for the whole table
- 03Monthly ranking across all tables, with past months kept
- 04TV display with the venue's Instagram QR
- 05Fan tab with a tile example for every fan
- 06Admin corrections with a recorded reason
- 07Excel export and a shareable result card
- 08Photo tile scanning on a monthly scan balance
Project Details
Shuangxi plays Mahjong Competition Rules (MCR) and wanted one monthly ranking for every player at every table. The app uses the venue's colours: ivory tiles on green felt, lucky red for the primary button, and a title face close to their logo. Every player is recorded by phone number, so their points add up wherever they sit.
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