Adapting Your Android App for Amazon Devices: A Guide to Fire OS and the Appstore
We often encounter situations where an app works perfectly on Google Play but crashes on Fire TV with a ClassNotFoundException due to missing GMS. Amazon Appstore is the only official channel for Amazon devices (Fire TV, Fire Tablet) and provides access to an audience that does not use Google Play. Over 2 million active Fire TV devices represent potential users who spend 15% more on apps than the average smartphone owner. Publishing to Amazon's marketplace requires adaptation for Fire OS. With over 5 years of mobile development experience and 50+ successful publications, we have the expertise to guide you. Our team has delivered over 50 Fire OS adaptation projects, ensuring a high first-pass approval rate.
This guide covers everything you need for successful Amazon Appstore publishing and Fire OS adaptation.
How to Register for Amazon Appstore
Register at developer.amazon.com. Account for an individual or a company. Registration is free — you save $25 compared to paid stores. The process takes 15 minutes. After registration, you get access to the console for uploading APKs. Amazon Appstore registration is straightforward.
How to Prepare an App for Fire OS
Amazon devices run on a fork of Android — Fire OS. GMS is absent, Google Play Services are unavailable. On a regular Android smartphone, the Amazon Appstore installs as a side-loaded APK, and GMS works normally there. But for Fire TV and Fire Tablet, serious adaptation is needed. You need to replace Google Play Services with Amazon equivalents. Service replacement table:
| Service | Google Play | Amazon Appstore (Fire OS) |
|---|---|---|
| Push notifications | FCM | ADM (Amazon Device Messaging) |
| Maps | Google Maps | HERE Maps / OpenStreetMap |
| Authorization | Google Sign-In | Login with Amazon |
| Purchases | Google Play Billing | Amazon In-App Purchasing |
Note that Amazon Device Messaging (ADM) works only on real Amazon devices. For testing, use the Fire TV Simulator or a real Fire Tablet.
Integrating Amazon Device Messaging (ADM)
<!-- AndroidManifest.xml --> <permission android:name="com.example.app.permission.RECEIVE_ADM_MESSAGE" android:protectionLevel="signature" /> <uses-permission android:name="com.example.app.permission.RECEIVE_ADM_MESSAGE" /> <uses-permission android:name="com.amazon.device.messaging.permission.RECEIVE" /> <amazon:enable-feature android:name="com.amazon.device.messaging" android:required="false" /> // ADM MessageHandler public class MyADMMessageHandler extends ADMMessageHandlerJobBase { @Override protected void onMessage(final Intent intent) { final Bundle extras = intent.getExtras(); // Handle push message } @Override protected void onRegistered(final String registrationId) { // Send registrationId to server } } Note android:required="false" — if the same APK is also published on Google Play, the app won't crash on devices without ADM.
What to Know About the Review Process
Amazon accepts only APK (AAB is not supported). Size limit is 500 MB, expanders can be placed on Amazon S3. Upon upload, Amazon App Testing Service runs automatically — a test suite on several Fire devices and regular Android smartphones. If a test fails, the console shows the specific device and stack trace. Manual review takes 1–3 business days. In our experience, 80% of apps pass on the first try if properly prepared.
Fire TV: Publishing Specifics
An app for Fire TV is a separate listing in the Appstore (you can link it to the same listing). The UI must be optimized for D-pad: no touch events, minimum touch target size of 48dp. Use the Leanback Support Library. Amazon provides the Fire App Builder for media apps. For custom projects, testing with the Fire TV Simulator from Android SDK is essential. Leanback for Fire TV ensures a smooth user experience.
Comparison of Review Time: Amazon Appstore vs Google Play
| Parameter | Amazon Appstore | Google Play |
|---|---|---|
| Manual review time | 1–3 days | 2–5 days |
| Rejection rate | 20% | 25% |
| Registration cost | free ($0) | $25 one-time |
According to our data, the Appstore review passes on average 40% faster, provided the app is correctly prepared.
Estimated Adaptation Time and Cost
| Stage | Time | Cost Range |
|---|---|---|
| Compatibility analysis | 0.5 day | $100–$300 |
| Service replacement (including replace Google Play Services) | 1-2 days | $300–$800 |
| UI adaptation for Fire TV | 2-3 days | $400–$1000 |
| Testing and debugging | 1-2 days | $200–$500 |
| Review process | 1-3 days | Included |
Replacing Google Maps with HERE Maps requires integration of an SDK of similar complexity. Login with Amazon works via OAuth 2.0. Detailed documentation is available at developer.amazon.com.
Deliverables
- Compatibility analysis with Fire OS and replacement of Google services
- Integration of ADM, Login with Amazon, maps
- UI adaptation for Fire TV (Leanback, D-pad)
- Testing on Fire TV Simulator and real devices
- Filling in listing, screenshots (separate for phone and Fire TV)
- Publishing and monitoring the review
- Documentation of changes made and training session for your team
- Access to code repository and build scripts
- Post-release support for 30 days
Process
- Analytics — identify target devices and list dependencies on GMS.
- Design — architecture for service replacement with minimal refactoring.
- Implementation — integrate ADM, fix UI, write code to handle missing services.
- Testing — Amazon App Testing Service, Fire TV Simulator, manual testing on Fire Tablet.
- Deployment — upload APK, fill metadata, pass review.
Our engineers with 5+ years of mobile development experience and over 50 successful Amazon Appstore publications can help expand your audience. We guarantee passing the review on the first attempt with proper preparation. Contact us for an accurate estimate — typical ranges are between $500 and $2000 depending on complexity. For example, replacing Google Play Services with ADM typically costs $300–$800. Order adaptation for Fire OS and gain a competitive advantage.
Why Amazon Appstore Is Better Than Google Play Alone
Amazon Coins increase purchase conversion by 15% compared to credit cards. Fire TV audience spends actively on apps — average revenue per user is 20% higher. We have over 5 years of experience and 50+ completed projects, ensuring your app meets Amazon's standards.
Additional Details on Adaptation
The adaptation process involves thorough testing on multiple Fire OS versions. We also provide ongoing support to ensure compatibility with future Fire OS updates.Our expertise covers all aspects: Amazon Appstore publishing, Fire OS adaptation, Amazon Device Messaging ADM, Leanback for Fire TV, replacing Google Play Services, Amazon Appstore registration, APK publishing for Amazon, Fire Tablet development, Amazon Coins, and Amazon Appstore review. We help you navigate the Amazon Appstore review and ensure your app passes efficiently.