Secure VPN is a complete, production‑ready Android VPN app source code built with Kotlin and AndroidX. It ships with AdMob monetization (App Open, Interstitial, Banner), GDPR consent via UMP, and Firebase (FCM + Analytics). The project includes a modern Speed Test screen, clean UI/UX, and centralized configuration in strings.xml for quick branding. A beginner‑friendly HTML guide is included to help you customize, integrate services, and publish fast.

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Technical (feature checklist style)

• Secure, stable VPN core (Kotlin + AndroidX)
• Modern UI with polished layouts and animations
• Built‑in Speed Test (Ping, Download, Upload) with live gauge
• Button state feedback (“Testing…” during runs)
• AdMob monetization: App Open, Interstitial, Banner
• GDPR consent via UMP (EEA‑ready, non‑personalized fallback)
• Firebase Cloud Messaging and Analytics (BoM managed)
• Centralized configuration in strings.xml (IDs, URLs, texts)
• Easy rebranding (app name, icons, colors, package)
• App Open Ads lifecycle with ProcessLifecycleOwner
• Banner ads on Main and Speed Test screens
• Clean architecture and organized resources
• Manifest merge conflicts pre‑resolved (Ad Services)
• Detailed HTML Setup Guide for beginners
• Ready for Play Store (production‑friendly defaults)

• Android Studio Giraffe+ (latest stable recommended)
• JDK 17 (bundled with Android Studio)
• Kotlin + AndroidX toolchain (Gradle auto-sync)
• Android SDK: minSdkVersion 21+, targetSdkVersion 34

1. Download and open the project in Android Studio (latest).
2. Set your package name (Refactor > Rename) if needed.
3. Update app texts and AdMob IDs in res/values/strings.xml.
4. Add google-services.json under app/ (Firebase Console).
5. Configure GDPR/consent (already integrated with UMP).
6. Set your servers source: strings.xml server_list_url (GitHub Raw) or app/src/main/assets/servers.json.
7. Run the app on a real device (recommended) and verify ads, FCM, and speed test.