Google Solves Update Issue for Android Apps Installed from Unknown Sources

If you are wondering how to receive latest updates for an Android app—installed via a 3rd party source or peer-to-peer app sharing—directly from Google Play Store. For security reasons, until now apps installed from third-party sources cannot be updated automatically over-the-air, as Google does not recognize them as Play Store apps and they do not show up in your Google account app list as well