Privacy Policy - Chinese Mahjong 4P Offline

Welcome to the mobile application (hereinafter referred to as the "App") provided by Shenzhen Dianshi Game Technology Co., Ltd. (hereinafter referred to as "we"). We recommend that you read this Privacy Policy in full to understand how we protect your privacy. If you have any questions about this policy, please contact us via the contact information published on the platform.

We attach great importance to the protection of personal information of minors. If you are a minor, please ask your guardian to carefully read this Privacy Policy and use our services or provide information to us only with your guardian’s consent. This Privacy Policy details how we and our third-party partners collect, use, store, transmit, share and protect your personal information, as well as the ways for you to access, correct, delete personal information and withdraw your authorization.

1. Collection and Use of Your Personal Information

1.1 Information You Voluntarily Provide

(1) Information you actively provide when using our services:

1. Personal information submitted during account registration;
2. Information uploaded, published or provided when accessing specific functions;
3. Information submitted for participation in our online and offline activities;
4. Information provided to our customer service or other official channels.

(2) Information automatically collected during service use:

1. Log data: We may automatically collect and store service logs when you use our App.
2. Location data: We may collect the geographic location information of your device when you use certain features.
3. Other information: With your consent, we may collect other relevant information to improve our services.

(3) Information provided or shared by other parties:

1. Information related to you provided by other users.
2. Information generated or shared when you use services of our third-party partners. Please review the user agreements and privacy policies of relevant third parties. We will comply with this policy and third-party rules to minimize the use and maximize the protection of your personal information.

1.2 Information and Permissions Collected by Us and Third-Party Platforms

We integrate third-party services including real-name authentication, data analytics, advertising and payment services to deliver better experience. With your authorization, we and our third-party partners may collect device-related information and apply corresponding permissions during App installation and operation, including device data, external storage access and location information.

(1) Device Identifiers

We and our partners may collect hardware model, operating system version, device settings, IMEI, installed application list, device ID, device name, device type, IP address, MAC address, network status and network type. Refusal to grant this permission may result in abnormal use or restricted functions of the App.

If you use mobile devices of OPPO, vivo, Huawei, Xiaomi, Meizu and other brands, the App will integrate SDKs released by these manufacturers for joint operation. Unique device identifiers, phone model, system type, system version and screen parameters may be collected to implement product functions. Please refer to the privacy policies of corresponding SDK providers for details.

(2) Storage Permission

This permission is required to save game data and ensure full access to App functions. Denying storage permission may cause malfunctions or usage restrictions.

(3) Geographic Location Information

Location data is collected to enrich content and optimize user experience. You may deny this permission at any time; refusal will only disable location-based features and will not affect other core functions.

(4) Real-Name Identification Information

In compliance with national laws, regulations and regulatory requirements, real-name authentication is mandatory for game users. This is sensitive personal information. Failure to provide valid real-name information may prevent you from logging in or using the App normally. Please check the privacy policies of the corresponding third-party service providers for detailed rules.

(5) Payment Information

You may purchase virtual in-game items such as game coins and props via third-party payment services. The payment service providers may collect your recharge and consumption records. We will not obtain your payment account credentials or passwords. We only receive payment completion notifications from third parties to deliver virtual items. Please refer to the privacy policy of your chosen payment provider.

(6) Third-Party SDK List, Purposes, Collected Information & Privacy Links

1.3 Exceptions & Special Rules for Information Collection

1.3.1 Exceptions

We and our third-party partners may collect and use your personal information without your authorization under the following circumstances:

• Related to national security, national defense, public safety, public health or major public interests;
• Related to criminal investigation, prosecution, judicial trial and enforcement of judgments;
• Necessary to protect the vital legitimate rights and interests of you or others where consent cannot be obtained in a timely manner;
• Information you have voluntarily disclosed to the public;
• Information collected from legally public channels such as official news and government announcements;
• Necessary to perform the contract signed with you;
• Necessary to ensure the stable operation of our products and services and troubleshoot failures;
• For public-interest statistics or academic research, with all personal identifiers removed before public release;
• Other circumstances stipulated by applicable laws and regulations.

1.3.2 Special Remarks

Our services are continuously updated. If new permissions are required for newly launched features, we will prompt you for authorization via in-app pop-ups and update this Privacy Policy accordingly. If third-party services require new permissions, please refer to the latest privacy policies of relevant third parties.

2. Use of Cookies and Similar Technologies

2.1 We and our third-party partners may deploy Cookies or anonymous identifiers on your device when you use the App, to analyze usage preferences and optimize user experience. We will not use Cookies for purposes beyond this policy.

2.2 We comply with relevant laws and regulations for the use of Cookies and adopt security measures to protect your information. For Cookie rules of third-party platforms, please check their respective privacy policies.

3. Sharing, Transfer and Public Disclosure of Personal Information

We strictly keep your personal information confidential and will not sell your personal data to any third parties. We only share, transfer or disclose your personal information for legitimate, necessary and specified purposes, with standard security protection adopted. All shared data will be de-identified so that natural persons cannot be re-identified.

3.1 Sharing

• With your explicit consent or authorization;
• Required by applicable laws, regulations or mandatory orders from judicial/administrative authorities;
• Necessary to protect legitimate rights and interests of you, other users or public interests within the scope permitted by law;
• Requested legally by your guardian;
• In accordance with signed service agreements and other legal documents;
• Shared with affiliated parties based on your authorization; affiliated parties shall not change the purpose of data processing without your explicit consent.

3.2 Transfer

• With your explicit consent or authorization;
• Required by laws, regulations or mandatory judicial/administrative orders;
• In accordance with signed legal documents;
• In cases of acquisition, merger, bankruptcy or restructuring, the new data controller shall continue to assume obligations under this policy. Any change of data usage purpose requires your prior explicit consent.

3.3 Public Disclosure

• Disclose your designated personal information in the agreed manner with your consent;
• Disclose information as required by laws, regulations or official mandatory orders. We will verify the legality of each disclosure request and encrypt relevant documents when permitted by law.

4. Storage of Personal Information

4.1 We store your personal information only for the period necessary to fulfill the stated purposes and within the minimum time limit required by law. If we terminate service operation, we will stop collecting personal information, notify users in advance, and delete or anonymize all stored data, unless otherwise required by laws and regulations.

4.2 All personal information collected and generated within the territory of the People's Republic of China will be stored domestically, except in the following cases:

• Explicitly stipulated by laws and regulations;
• With your authorization;
• We will not transmit your data overseas currently. If cross-border data transmission is needed in the future, we will comply with national regulations and obtain your consent in advance.

We will ensure full protection of your personal information in accordance with laws and this policy.

5. Protection of Personal Information

5.1 We adopt strict management rules and industry-standard security technologies and procedures to prevent loss, leakage, damage and abuse of your personal information.

5.2 Your data is encrypted and stored separately. We implement strict access control and multi-factor authentication to prevent unauthorized use.

5.3 We conduct regular security training for employees to raise awareness of personal information protection.

5.4 Only authorized personnel who need access to data can view your personal information, and all relevant staff are bound by confidentiality obligations. Violations will result in legal liabilities and termination of cooperation.

5.5 We collect no personal information irrelevant to App services.

5.6 The internet environment is not completely secure. In the event of personal information leakage, damage or loss, we will promptly inform you of the incident details, impacts, solutions, risk prevention suggestions and remedies via email, letter, phone or in-app notifications. We will also report incidents to regulatory authorities as required.

5.7 When you make payments via third-party service providers, you may need to provide contact information, bank account or other details. Please properly protect your personal data and only provide information when necessary.

5.8 If we detect that you use our App for fraud or illegal activities, we have the right to suspend or terminate your access to our services.

6. Management of Personal Information

6.1 Access, Update and Deletion: You may access, update or delete your personal information following in-app guides or instructions from third-party services. Identity verification will be required to ensure data security.

6.2 Account Cancellation: You may submit an account cancellation application following in-app guides, or contact us via the contact information below for detailed procedures.

6.3 Except as otherwise required by law, updates or deletions in backup systems may be delayed, and data will be processed during the next backup cycle.

7. Terms for Minors

7.1 If you are under 18 years old, please read and agree to this Privacy Policy together with your parent or legal guardian before using our App.

7.2 We protect minors' personal information in compliance with national laws. We collect, use, store, share or disclose minors' information only when legally permitted, with explicit consent from guardians, or necessary for the protection of minors. If we unintentionally collect personal information from minors without verifiable parental consent, we will delete the relevant data as soon as possible.

7.3 If you are a legal guardian and have inquiries about the minor's personal information, please contact us via the listed contact methods.