Janlog is a mahjong score management app.
We aim to support the improvement of all mahjong players who use Janlog.
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◾️ Simple Input Function
- All players can enter scores on the right side of the screen during a game.
- Inputs are reflected in real time on everyone's screen, allowing you to check progress.
- Scores are automatically calculated once raw scores are entered, eliminating the need to manually calculate individual game or overall scores and eliminating discrepancies.
- Supports three-player mahjong.

◾️ Results Visualization
- Input game results are consolidated for easy review and analysis at a glance.
- Game results are shared with all players.
- Various metrics, such as the number of times each finish position was achieved, average finish position, and earned score, are visualized using graphs.

◾️ Series Management
- Group games, such as regular matches or league matches, can be managed together as a "series."
- You can select and analyze only the results for each series.

◾️ Rule Management
- You can pre-register Uma/Oka and bonus prizes.
- When entering a game, you can select from your registered rules to eliminate the need for setup at the start of the game.

◾️ Friend Registration
- You can share game information with registered players.

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Simple recording, easy-to-understand analysis, and improved mahjong skills.
With Mahjong Log, you can enjoy the fun of mahjong and improve your skills at the same time.