To use Hotspot Shield on your Android device,follow these organized steps:

1. Download the App:

   • Visit the Google Play Store and search for "Hotspot Shield."
   • Download the app and install it on your Google Account.

2. Create a Google Account:

   Open the Google Account app, create a new account, and sign in with your Google account.

3. Set Up Internet Connection:

   • Go to Settings > Internet > Update Internet.
   • Enable or disable the app as needed.

4. Configure Account Settings:

   • Open Settings > Account Settings.
   • Go to Advanced > Phone Number and SMS Number, entering your numbers.
   • Enable SMS API key by going to Settings > SMS > SMS API Key.

5. Set Up Location Service:

   • Open Settings > Account Settings.
   • Go to Advanced > Position Location Service, enter your Google Location API key.

6. Configure SMS Access:

   • Open Settings > SMS Access.
   • Enter your SMS API key and click Save.

7. Set Up Data Provider:

   • Open Settings > Data Provider.
   • Enter your Google Data API key and click Save.

8. Enable the Service:

   • Open Settings > Data Provider > Data Provider Settings.
   • Click Run and choose the carrier, then click Save.

9. Test the Service:

   • Go to Settings > Data Provider > Data Provider Settings.
   • Choose a carrier to block calls from your phone.

10. Additional Notes:

    • Ensure your Google Account has the necessary permissions.
    • Check if the carrier's API key is correct.
    • Consider privacy settings to ensure your phone is not tracked.
    • Test by sending SMS or calling from your phone to confirm blocked calls.

By following these steps, you can effectively use Hotspot Shield to block unwanted calls from your phone.