Last December, Google announced a change to APKs uploaded to the Play Store that would insert a bit of security metadata in order to verify the provenance of these files. The "distributed by Google Play" metadata was made official this June, and although there was a lot of uproar about it being akin to DRM, the truth was a little far from that. Now, the Android Developers blog has announced the fruits of this whole ordeal: Play-sanctioned peer-to-peer app sharing is a reality.

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