Privacy Policy
This Privacy Policy describes how FujiBit ("we", "us") handles user information, including personal information, in the mobile application "Minority Wins" (the "App").
1. Information We Collect
- User ID (anonymous authentication ID): A unique ID auto-issued by Firebase Authentication. It does not itself contain your name or other identifying information.
- Nickname: A display name freely chosen by the user. Real names are not required.
- In-game data: Scores (weekly / total), your votes and vote history, the text of questions you submitted, and your Question Ticket balance.
- Linked account information (optional): When you link your account with Google or Apple (iOS only), or sign in with "Sign in with Google" / "Sign in with Apple" on the start screen, the provider's user ID and email address are stored (with Apple this may be a private relay address you chose). We do not use the email address to contact you. A linked account stays signed in across app restarts, and after a sign-out, reinstall, or device change you can restore it by signing in with the same provider on the start screen. You can unlink at any time from the Profile screen, which returns you to anonymous authentication only.
- Advertising information: The SDK of Pangle (Bytedance Pte. Ltd.), the ad network built into the App, may send the advertising identifier (IDFA on iOS only if you allow tracking / Android Advertising ID), IP address and the approximate region derived from it, device information (model, OS, language, etc.), ad interaction data (impressions, clicks), and SDK diagnostics directly to Pangle for ad delivery, measurement and fraud prevention. Personalized ads work as follows. iOS: they follow your answer to the system tracking prompt (App Tracking Transparency) shown on first launch; personalized ads are shown only if you allow tracking, otherwise only non-personalized ads are shown. Android: on first launch the App asks, in the "広告の表示について" (About ads) sheet, whether you allow personalized ads. On either platform, choosing "許可しない" (Don't allow) under "広告の設定" (Ad settings) on the Profile screen limits you to non-personalized ads from then on. The Pangle SDK is not started until this choice (on iOS, the tracking choice) has been made.
- Purchase information: When you buy an in-app item (Question Ticket, consumable, JPY 150 each), the App sends purchase verification data to our server so we can confirm the purchase is genuine before granting the ticket: on iOS, the transaction information signed by the App Store (including the transaction ID, product ID and purchase date); on Android, the Google Play purchase token. On iOS our server checks the signature using Apple's certificates, without sending anything to Apple for this check. On Android our server looks up the purchase token with the Google Play Developer API to confirm the purchase state. After verification we record your user ID, the product ID, the platform (App Store / Google Play), the purchase environment (production or test purchase), the store transaction ID (the order ID on Google Play) and the grant time, and use them to grant the ticket and prevent duplicate grants. We do not receive payment details such as credit card numbers.
- Report and block information: When you report a post, we store the target post ID, the reporter's and author's user IDs, the report reason, and any optional comment, and use them to review and act on objectionable content. When you block another user, we store the blocked user ID and use it only to hide that user's posts from your feed.
- Push notification preference: To let you know when a new question goes live (including both player-submitted questions and questions the system posts automatically), the App asks the device OS for notification permission. Delivery uses Firebase Cloud Messaging topic subscriptions and stores no per-device notification token on our servers. Notifications are on by default, but your on/off preference is stored only on the device and can be changed anytime from the Profile screen or your device settings.
- Settings stored on the device: Whether you accepted the Terms and Privacy Policy, your personalized-ads choice, and your notification preference are stored only on the device and are not sent to our servers.
The App does not collect your real name, phone number, address, contacts, photos, or GPS location.
2. Purpose of Use
- Providing core game features (voting, tallying, rankings, question-posting entitlement)
- Identifying your account and carrying over / restoring it through a linked account
- Verifying, granting and managing in-app purchases (Question Tickets)
- AI moderation of submitted questions (see below)
- Sending push notifications announcing new questions (optional, can be turned off)
- Detecting and responding to abuse, spam and objectionable content
- Statistical analysis for service improvement (in a non-identifying form)
- Serving advertisements
3. Third-Party Sharing and External Services
We do not provide information to third parties without your consent, except as required by law. The following service providers receive and process information to the extent necessary to provide their functions.
- Google (Firebase): Authentication, database, serverless functions, scheduling, and push notifications (Firebase Cloud Messaging). Data is stored in Google's asia-northeast1 (Tokyo) region. On iOS, notification delivery uses Apple's Push Notification service (APNs).
- Google (Gemini API): Submitted question text is sent from our server to Gemini for AI moderation. Gemini processes the text to return a judgment.
- Google (Google Sign-In): Only when you link or sign in with a Google account.
- Apple (Sign in with Apple, iOS only): Only when you link or sign in with an Apple account.
- Apple (App Store) / Google (Google Play): Payment processing for in-app purchases. On Android, our server queries the Google Play Developer API with the purchase token to confirm that the purchase is valid.
- Pangle (Bytedance Pte. Ltd.): Information required for ad delivery is processed by Pangle (including the TikTok Business SDK bundled with the Pangle SDK). We never obtain or sell this information ourselves. See the Pangle Privacy Policy for details.
These providers are located outside Japan (for example in the United States and Singapore), and information may be processed abroad. Information on each country's personal-information protection system is available on the website of Japan's Personal Information Protection Commission (Japanese). Each provider handles information under its own privacy policy.
For the full list of information the App sends from your device, its recipients and purposes, see Information Sent from the App.
4. Data Retention and Deletion
Your account and the associated in-game data are retained until you delete them. You can delete your data anytime from the App at Profile > Delete Account. If you have already uninstalled the App, see the Account Deletion page or contact support@fujibit.com.
Deleting your account removes the server-side authentication account (including any linked provider user ID and email), your user document (nickname, scores, Question Ticket balance), unresolved questions, votes in still-open questions, your block list, report records, and the link between you and your purchase records (user ID, purchase environment, grant time). To prevent the same purchase from being granted twice, the store transaction ID (order ID on Google Play), product ID and platform are kept, no longer linked to you. Email deletion requests are processed within 14 days. Closed-question text remains as part of game history, but the author information is anonymized. Votes in already-closed questions are kept only under the deleted ID to preserve the tally, in a form that no longer identifies you.
5. Security Measures
To prevent leakage, loss or damage of information, we use encryption in transit (TLS), database access control (Firestore security rules that prevent others from reading or writing your private data), server-only protection of fields such as scores and ticket balances, and restricted access to administrative accounts.
6. Children's Privacy
The App is intended for users approximately 12 years of age and older. Users under 13 should use the App with parental consent.
7. Your Rights
To request disclosure, correction, suspension of use, or deletion of your information, please contact support@fujibit.com. After verifying your identity we will respond without delay as required by law. You can also change your nickname, unlink accounts and delete your account in the App.
8. Changes to This Policy
We may update this Policy as needed. Material changes will be announced in the App or on this site.
9. Operator and Contact
Operator: FujiBit (provider of the App)
Contact: support@fujibit.com
The operator's address and the name of its representative will be
provided without delay upon request.
Last updated: October 6, 2026 (added how purchases are verified with the store before a Question Ticket is granted and which purchase information is recorded; clarified that personalized ads on iOS follow the tracking choice. October 5, 2026: added restoring a linked account from the start screen; clarified deleted data, security measures, processing outside Japan and operator details)