Paper Lair Privacy Policy

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Paper Lair (package name: com.blooddragonsoftware.paperlair) is provided by Blood Dragon Software (Blood Dragon, LLC). This Privacy Policy explains how we collect, use, and protect information when you use the app. By using Paper Lair, you agree to this Policy.

Information We Collect

• Device information (model, OS version, language, country).
• Crash and performance data.
• Purchase and subscription status (no payment details stored by us - Google Play Billing).

Permissions and Purpose

• Camera: To allow you capture your own photos of book covers.
• Internet: To communicate with the OpenLibrary.org API and provide book and book cover information to you.

How We Use Collected Information

• Diagnose crashes and improve stability. (Firebase Crashlytics)
• Validate purchases. (Google Play Billing)
• Serve ads and measure their performance. (Google AdMob)

Sharing of Information

• Crash reporting providers (e.g., Firebase Crashlytics).
• Advertising partners (e.g., Google AdMob).
• Google Play Billing for purchases.
• Legal authorities if required by law, to protect rights, or investigate misuse.

Data Retention

We do not directly collect or keep personal data. However, services such as Google AdMob and Firebase Crashlytics have their own collection and retention policies and they only keep collected data as long as is necessary for the functionality they provide or as required by law. You may request deletion of certain data by contacting us.

Security

We implement reasonable technical and organizational measures to protect information. However, no method of transmission or storage is 100% secure.

Children’s Privacy

The app is not directed to children under 13 (or the minimum age in your jurisdiction). If you believe a child provided personal information, contact us to delete it.

Your Rights & Choices

Depending on your location (e.g., EU/EEA, UK, California), you may have rights to access, correct, delete, or port your data, and object to certain processing. To exercise your rights, contact us.

International Transfers

Your information may be processed and stored in countries other than your own. Where required, we rely on appropriate safeguards for international transfers.

Third-Party Services & SDKs

The app may integrate the following services currently or in the future:

• Crash reporting: Firebase Crashlytics (Google LLC).
• Ads: Google AdMob (Google LLC).
• Payments: Google Play Billing.

Changes to This Policy

We may update this Policy to reflect changes to the app or applicable laws. We will post the updated Policy with a new “Effective date”.

Contact Us

If you have questions about this Policy or privacy practices, you may contact us using the developer support information listed on our Google Play Listing.

Effective Date

07/18/2026