Privacy Policy
App Name: Sudoku: Classic Brain Game
Update Date: March 23, 2026
Effective Date: March 23, 2026
This Privacy Policy (hereinafter referred to as "this Policy") is designed to explain the rules regarding the collection, processing, storage, sharing, and protection of your personal information by *Sudoku: Classic Brain Game* (hereinafter referred to as "this App") during your use of the App's services. This App respects and protects your right to privacy; all data processing activities comply with the requirements of relevant overseas data protection laws and regulations. Before downloading, installing, or using this App, please carefully read and fully understand the entire content of this Policy. Your act of using this App shall be deemed as your agreement to all the terms and conditions set forth in this Policy.
I. Information Collection and Usage Scenarios
To provide you with a stable and high-quality Sudoku gaming experience, and to continuously optimize our service quality, this App adheres to the principles of "lawfulness, legitimacy, and necessity." We collect the following service-related information and do not collect any irrelevant personal data:
(I) Basic Device Information
When you launch and use this App, we automatically collect certain device-related information, including but not limited to: device model, operating system version, unique device identifiers (Device ID), IP address, and language preferences. This type of information is used solely to adapt to different device operating environments, ensure the proper launch and stable operation of the App, and provide basic technical support for targeted advertising delivery; it does not individually identify your personal identity.
(II) App Usage Data
We collect usage data generated during your interaction with this App, specifically including:
Session Data: App launch time, exit time, duration of online sessions, etc.;
Behavioral Data: Records of feature module usage (e.g., difficulty selection, frequency of using the "Hint" function), game interaction logs (e.g., records of number-filling actions), level progress, and completion status, etc.
This data is used to analyze user usage habits, optimize game design and user interface experiences, and provide data support for evaluating advertising effectiveness and optimizing user acquisition strategies.
II. Third-Party Service Cooperation
To enhance the App's performance and user experience, this App collaborates with reputable third-party partners who assist in processing certain data within their authorized scope. These third-party partners process data solely to fulfill the service objectives stipulated in this Policy; they are required to comply with relevant data protection laws and regulations and to implement appropriate security protection measures. List of Advertising and Attribution Partners (Including Links to Privacy Policies)
Unity Ads: https://unity.com/legal/privacy-policy
IronSource: https://www.is.com/privacy-policy/
Liftoff (Vungle): https://liftoff.io/privacy-policy/
Mintegral: https://www.mintegral.com/en/privacy/
TradPlus: https://www.tradplusad.com/privacy-policy
Digital Turbine: https://www.digitalturbine.com/legal/privacy-policy
Chartboost: https://docs.chartboost.com/en/legal/terms-conditions/
InMobi: https://www.inmobi.com/website-privacy-policy
We have required all third-party partners to commit to processing your information only within the scope authorized by this Application, to refrain from using it for any unrelated purposes, and to maintain information protection measures equivalent to those employed by this Application.
III. Restrictions on Information Sharing and Disclosure
This Application strictly safeguards the security of your personal information and will not sell or rent your personal information to any unrelated third parties. Your information may be shared or disclosed only under the following limited circumstances:
Sharing relevant information with third parties upon your explicit consent or authorization;
Sharing necessary information with the third-party service providers listed in Section II of this Policy, where the scope of sharing is strictly limited to fulfilling service objectives such as ad delivery, performance analysis, and application optimization;
Disclosing relevant information where necessary to comply with applicable laws, regulations, legal processes, or mandatory requirements issued by competent government authorities;
Disclosing information within a reasonable scope to protect the legitimate rights and interests of this Application, or to safeguard the personal safety and property of you or other users (e.g., for fraud prevention or handling security incidents);
Information that you have voluntarily made public or that has already been made public through lawful channels.
IV. Information Storage and Security Safeguards
(I) Storage-Related Provisions
Storage Location: The information collected by this Application will be stored on servers that comply with international data protection standards. As our services are directed toward users outside of our home jurisdiction, these servers may be located overseas; we will ensure that the processing of information stored overseas complies with the data protection laws and regulations of the relevant local jurisdictions.
Storage Duration: We will store your information only for the minimum period necessary to fulfill the service objectives outlined in this Policy. Once the storage period expires, or when you cease using this Application, we will promptly delete or anonymize your information. If it becomes necessary to extend the storage period—for instance, to comply with laws and regulations or to resolve disputes—such extensions will be carried out within legal limits and accompanied by appropriate security safeguards.
(II) Security Safeguards
To prevent unauthorized access, disclosure, alteration, damage, or loss of information, we have implemented the following industry-standard security safeguards:
We employ encryption technologies, such as TLS/SSL, to encrypt and protect information during both transmission and storage;
We have established a strict access control system, granting access to information only to authorized personnel who require it for their duties; furthermore, such personnel are bound by confidentiality obligations;
We conduct periodic data security assessments and technical maintenance to promptly identify and remediate potential security vulnerabilities;
We supervise the information processing activities of third-party service providers, requiring them to implement security safeguards of an equivalent standard.
Please note that both internet transmission and electronic storage inherently carry certain security risks. Although we have implemented reasonable protective measures, we cannot guarantee the absolute security of your information; you must assume the corresponding risks arising from potential cybersecurity issues.
V. Your Rights Regarding Personal Information
In accordance with relevant overseas data protection laws and regulations, you possess the following rights regarding your personal information. This Application will provide the necessary assistance to facilitate your exercise of these rights:
Right of Access: You have the right to inquire about the personal information concerning you that has been collected by this Application;
Right of Correction: If you discover that your personal information contains errors, you have the right to request that we correct it;
Right of Deletion: Under circumstances permitted by law, you have the right to request that we delete your personal information;
Right to Withdraw Consent: You may withdraw your consent to the collection, use, or sharing of your information at any time. Upon withdrawal, we will cease processing the relevant information; however, such withdrawal will not affect the validity of any information processing activities completed prior to the withdrawal based on your prior authorization;
Right to Data Portability (Obtain a Copy): Provided it is technically feasible, you have the right to request that we provide you with a copy of your personal information;
Right to Lodge Complaints and Suggestions: If you have any objections regarding the information processing activities of this Application, you have the right to lodge complaints or offer suggestions.
If you wish to exercise any of the aforementioned rights, please contact us using the contact details specified in Section VII of this Policy. Upon verifying your identity, we will respond to and process your request within the timeframes prescribed by applicable laws and regulations.
VI. Protection of Minors
This Application does not knowingly collect personal information from minors. If you are a minor, you must use this Application under the supervision of and with the explicit consent of your parents or legal guardians. Parents or legal guardians retain the right to manage the minor's usage of this Application as well as the associated information. If we discover that we have collected the personal information of a minor without obtaining the consent of their parents or legal guardians, we will immediately delete such information and cease all related data processing activities.
VII. Contact Us
If you have any questions or objections regarding this Privacy Policy, or if you wish to exercise your rights regarding your personal information, you may contact us via the following email address:
Contact Email: mhammad00071@gmail.com
Upon receiving your email, we will promptly verify your identity and respond to and address your inquiries within 15 business days.
VIII. Modifications and Updates to the Policy
This Application reserves the right to modify this Privacy Policy in response to updates in applicable laws and regulations, adjustments to service features, or other relevant circumstances. Following any updates to the Policy, we will notify you of the changes within the Application through a prominent method (such as a pop-up notification). The updated Policy shall become effective as of the effective date indicated in the notification.
If you do not agree to the modified Policy, you may discontinue your use of this Application; by continuing to use the Application, you are deemed to have agreed to all of the updated terms. We will archive previous versions of the Policy for your reference.
IX. Miscellaneous
The conclusion, effectiveness, interpretation, performance, and dispute resolution regarding this Privacy Policy shall be governed by relevant overseas data protection laws and civil and commercial regulations. In the event of a dispute between you and this Application regarding the implementation of this Policy, both parties shall first attempt to resolve the matter through friendly negotiation; if negotiation fails, either party shall have the right to initiate legal proceedings in a court of competent jurisdiction.
This Privacy Policy constitutes the core privacy agreement for the "Sudoku: Classic Brain Game" application and forms an integral part of your use of the Application's services.