documentation: Try to make the play review happy

docs/clients/privacy.md

@@ -9,6 +9,10 @@ and the data generated by the software is always on your device.
 
 ## Android
 
+The broad package (App) visibility (QUERY_ALL_PACKAGES) permission
+is used to provide per-application proxy features for VPN,
+sing-box will not collect your app list.
+
 If your configuration contains `wifi_ssid` or `wifi_bssid` routing rules,
 sing-box uses the location permission in the background
 to get information about the connected Wi-Fi network to make them work.