App downloads consume a considerable amount of data, which is why some phones won't download apps when not connected to a Wi-Fi network.

To solve the issue and successfully install the app on your phone, learn the potential solutions outlined on this page. How to fix Google Play Store stuck at waiting for download ...

Running the app through the Command Prompt can bypass the "This App has been Blocked by your System Administrator" message. However, you need administrator privileges to execute the command.