Google Play Store won't allow apps to scan for other apps without a good reason - XDA Developers

Google will start removing apps from the Play Store that use QUERY_ALL_PACKAGES without a good reason, starting June 1.

Android applications can check which other apps are installed using the QUERY_ALL_PACKAGES permission, but given the security and privacy risks, the functionality is only intended for apps that actua… [+1879 chars]

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