XDA quoted the news in the report that after the developer uploaded the APK in the Play Store, it added a small security metadata tagged as 'Distributed by Google Play'. This means After the user downloads the application installation on Google Play and then makes secondary offline sharing, these applications will be displayed in the user's Google Play list. At the same time, this measure can also ensure the authenticity of the user's installed App. .
In addition, Google Play’s secure authentication is now available offline. This means that the user can verify the authenticity of the application while offline. For this change, the developer does not need to make too many changes, just upload it as is. The application can, Google will add new metadata to the APK Signing Block.
IT Home Reports, Google Play is Google's official Android application market, where applications are all officially certified by Google. However, Android system itself supports offline installation of APK application installation packages, so applications outside of Google Play are also shared. Very popular. Although many times, people associate this behavior with pirated software, but this is not absolute, and it does solve many real problems.