OFC Oracle

OFC Oracle Privacy Policy

Japanese version (日本語): プライバシーポリシー

This English version is a translation for convenience. In case of any discrepancy, the Japanese version prevails.

Last updated: October 22, 2026

1900 Co. (in Japanese, 株式会社1900; hereinafter the "Company") sets forth as follows how it handles users' information in "OFC Oracle" (including the website ofcoracle.com, the iOS app, and the Android app; hereinafter the "Service").

1. Information Handled by the App (Initial Release)

The initial release of the app has no account registration, sign-in, in-app purchase, advertising, or analytics features.

  • Information stored only on the device: Display settings and the like, such as the display language, the position being entered, Training settings, records, and history, Bot Battle settings and records, and whether the remaining-cards table is open or closed. This information is stored on the user's device and is not sent to the Company. It is erased when the app is deleted.
  • Analysis and match calculations: Calculations for analysis, Training, and Bot Battle are performed on the device, and the content of positions is not sent to the Company's servers. The models and engine used for the calculations are bundled with the app.
  • External links: Learning articles, the Terms of Service, and this Policy open the Company's website in the device's browser. Handling on the website is as described in Section 2.
  • Information collected by the OS and stores: As functions of their OS and stores, Apple and Google may collect crash reports, usage information, etc., depending on the user's settings, and provide them to developers as statistics. Such handling is subject to each company's privacy policy.

2. Information Handled by the Website and Account Features

The website (and the app, if account features are provided in the app in the future) handles the following information.

  • Account information: When a user signs in with a Google account or the like, the user identifier, email address, and display name received from the authentication service (Firebase Authentication).
  • Records information: Aggregates of the Training records of signed-in users (number of hands, number of decisions, total and average EV loss, etc.). User identifiers are hashed before being stored.
  • Purchase information: When a user purchases a paid feature, the proof of purchase issued by the store (transaction ID, product, expiration date, etc.). The Company does not obtain payment information such as card numbers.
  • Access logs: The IP address, date and time, request content, browser type, etc. automatically recorded by the servers.
  • Storage on the device: Settings and content being entered are stored in the browser's local storage or the like. The website does not use tags or cookies for advertising or analytics.

3. Purposes of Use

  1. Providing the Service, verifying identity, and saving and displaying records
  2. Providing paid features and confirming purchases
  3. Preventing unauthorized use, responding to failures, and ensuring security
  4. Improving the Service (as statistics that do not identify individuals)
  5. Responding to inquiries

4. Provision to Third Parties and External Services

Except in cases based on laws and regulations, the Company does not provide personal information to third parties without the consent of the individual. To operate the Service, the Company uses the services of the following businesses and entrusts them with the handling of information to that extent.

  • Google LLC (Firebase Authentication, Cloud Firestore, Google Cloud (server operation))
  • Apple Inc. and Google LLC (app distribution, in-app purchases)

These businesses may handle information outside Japan (mainly in the United States). The system for the protection of personal information in the United States can be checked on the website of the Personal Information Protection Commission (Survey on Systems for the Protection of Personal Information in Foreign Countries). Each business has taken measures to protect personal information, the details of which are published in each company's privacy policy.

5. Retention Period

Account information and records are retained until the account is deleted, and access logs are retained for approximately 90 days and then deleted. Users can delete the information on their devices.

6. Rights of Users

Users may request disclosure, correction, suspension of use, and deletion of their own personal information held by the Company. An account can be deleted by an operation within the Service or by contacting the contact point in Section 9.

7. Security Management

The Company endeavors to prevent the leakage, loss, or damage of personal information through measures such as encryption of communications, management of access rights, and hashing of identifiers.

8. Minor Users

Minors should use the Service with the consent of their parent or guardian.

9. Contact Point

1900 Co.
Address: N&E BLD. 6F, 1-12-4 Ginza, Chuo-ku, Tokyo, Japan
Contact: admin@ntpoker.jp

10. Changes to This Policy

When this Policy is changed, the change will be made known on the Service. Significant changes will be made known a reasonable period before their effective date.