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Hi, We have forwarded the query to the concerned team already. I will post back in this thread after having some update from them. Thanks.

I actually got this question answered. Android apps downloaded from the Amazon Appstore for Kindle devices can be "wrapped" in a Digital Rights Management Check (DRM). As quoted from the Amazon Appstore's Terms of Use ( http://www.amazon.com/gp/feature.html?ie=UTF8&docId=1000667601), "Publishers may choose to protect their Apps using a digital rights management (“DRM”) system implemented through the Appstore Software. Appstore Software includes any software we include in an App to enable the DRM or for other purposes. If you uninstall the Appstore Software from your device or sign out of your Amazon.com account in the Appstore Software, you will not be able to access or use any Apps on your device that Publishers have protected with DRM. You may not attempt to disable, bypass, modify, defeat, or otherwise circumvent the DRM or any other security or content protection system used in connection with the Amazon Appstore. " This is an optional step for developers to choose to do when submitting their apps to be published on Amazon's Appstore ( https://developer.amazon.com/help/faq.html#AppBinary).

Good to know that you already got your question answered. More specifically, you can detect a successful DRM verification by implementing the following callback in your code: * class o com.amazon.drm.AmazonLicenseVerificationCallback o public o static o unobfuscated * method o onDRMSuccess o public o static o unobfuscated Example: package com.amazon.drm; import android.util.Log; public class AmazonLicenseVerificationCallback { private static final String TAG = "AmazonLicenseVerificationCallback"; public static void onDRMSuccess() { Log.v(TAG, "onDRMSuccess called!"); } } This may or may not be helpful in your specific case. We don't currently have a method for detecting DRM failure, only success.