Privacy Policy — Rock 'n' Roll Wallpapers

Vikkyns North Developer (“we”, “us”, or “our”) developed the Rock 'n' Roll Wallpapers app (“App”) with a strong commitment to your privacy and security. This Privacy Policy explains how we collect, use, store, and protect your information.

1. Information We Collect

1.1. Information You Provide

Personalize your device's home screen and lock screen with Rock 'n' Roll Music themes.
Category customize (e.g., Customization)

→ Stored locally on your device; never transmitted to external servers.

1.2. Basic Usage Data (Optional)

Personalize your device's home screen and lock screen (to enhance your device's screens)

            → Sent via Firebase Analytics, with no personally identifiable information.

            → You may disable this in Settings → Privacy.

1.3. Information Required for Subscriptions

Device ID (ANDROID_ID)

            → Used exclusively to verify your subscription via Google Play.

            → Not shared with third parties.

            ⚠️ We do NOT collect:

            • Precise location

            • Contacts

            • Microphone access (except during local TTS use)

            • Sensitive health data

2. Subscriptions & Promotional Offers

2.1. Free Trial

We offer a 7-day free trial for both monthly and annual plans to new subscribers.
This trial period is available once per Google account only.
After the trial ends, your subscription will auto-renew unless canceled.

2.2. Payments

Subscriptions are processed exclusively through Google Play.
We never access your payment card details, tax ID (CPF), or billing method.
You can manage or cancel your subscription at:
Google Play → Account → Subscriptions

2.3. Refunds

Refunds are managed by Google Play, per their Terms of Service.
To request a refund:
Google Play → Library → Your App → Subscription Details → Request Refund

Recipient	Purpose	Legal Basis (GDPR)
Google Play Billing	Process payments and validate subscriptions	Art. 6(1)(b) — Performance of a contract
Firebase Crashlytics	Diagnose crashes (no personal data collected)	Art. 6(1)(f) — Legitimate interest
Google AdMob	Display ads in the free version only	Art. 6(1)(a) — Explicit consent upon installation

4. Security & Your Rights

4.1. Security Measures

AES-256 encryption for sensitive local data
No cloud storage of personal data
Quarterly security updates

4.2. Your Rights (GDPR/CCPA)

You may, at any time:

✅ Access your data
✅ Correct inaccurate information
✅ Delete all app data (via Settings → Privacy → Clear Data)
✅ Withdraw consent (by uninstalling the app)

To exercise these rights, email us at:
📧 vikkynsnorth@gmail.com
We will respond within 15 business days.

5. Cookies & Similar Technologies

The App does not use cookies.
It only uses:

SharedPreferences: for local settings (e.g., theme, audio)
Room Database: to store reminders on your device only

6. International Data Transfers

Your data does not leave Brazil, except:

Google Play Services (USA): for subscription validation
Firebase (USA): for optional anonymous analytics

Both comply with the EU-U.S. Data Privacy Framework and GDPR.

7. Policy Updates

We will notify you of significant changes via:

In-app pop-up during app update
Update to this webpage (date shown above)

The latest version is always available at:
🔗 https://vikkynsnorth.com.br/privacy-policy-rock-n-roll-wallpapers.html

8. Contact

Data Protection Officer:
Vikkyns North Developer
📧 vikkynsnorth@gmail.com
📍 São Paulo, Brazil

For complaints or regulatory inquiries, contact Brazil’s National Data Protection Authority (ANPD):
🔗 https://www.gov.br/anpd