App Name: MCR Mahjong Tutor (中国麻雀トレーナーMCR)

Operator: tonico

Effective Date: 2026-05-26

1. Introduction

This Privacy Policy describes how the iOS app MCR Mahjong Tutor (中国麻雀トレーナーMCR), operated by tonico ("we", "us", or "our"), handles information when you use the app.

MCR Mahjong Tutor is an offline learning and practice app for Chinese Mahjong (MCR rules). The app is designed to help users learn and practice MCR rules at their own pace, entirely on-device.

This policy is provided for transparency and informational purposes. It does not constitute legal advice.

2. Data Collection

We do not collect any personal data.

The app does not collect, transmit, store remotely, or share any information that can identify you personally. This includes, but is not limited to:

• Name, email address, or contact information
• Device identifiers or advertising IDs
• Usage analytics or behavioral data
• Crash reports sent to external servers
• Any other personally identifiable information

No data is ever sent to the operator or any third party.

3. Tracking and Advertising