How Windows 11 and Amazon Appstore Enable Android Apps with AAB Support
Microsoft’s Windows 11 now runs Android apps natively through an Amazon Appstore integration, while Amazon’s adoption of the newer AAB packaging format offers developers smaller, device‑optimized downloads and distinct differences from Google Play’s requirements.
When Microsoft announced Windows 11, a key selling point was the ability to install and run Android apps directly on Windows devices.
Rather than using emulation or casting, Windows 11 provides native support for Android apps. To achieve this, Microsoft partnered with Amazon to integrate the Amazon Appstore into Windows 11.
Microsoft’s promotion states that Windows 11 users can browse, install, and manage apps and games from the store on their devices.
Google later announced that it will shift from the APK format to the newer AAB (Android App Bundle) format, effective for new apps from August 2021, requiring developers to submit AABs to Google Play.
The AAB format offers advantages such as smaller download sizes and device‑specific delivery. Amazon confirmed that its Appstore will support the AAB format, providing benefits like reduced app space usage and on‑demand downloading.
Unlike Google Play, Amazon makes AAB optional; developers can continue uploading APKs, and Amazon does not require the app signing key that Google does.
Microsoft’s Windows 11 will also benefit from Amazon’s decision, ensuring that the new format is supported in future Windows releases. Amazon will provide further details after officially adding AAB support to the Appstore.
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