Has anyone tried Wifi Master Key App to connect wifi?

Hello

I come across an app to connect to wifi, called WiFi Master Key on Google Play store.

Some details listed:

With a hundreds of millions of free Wi-Fi hotspots shared by our users globally, you can connect to free Wi-Fi with WiFi Master Key.

Search & connect to shared WiFi hotspots indicated by a Blue Key. Easy and safe.

THE WIFI MASTER KEY EXPERIENCE
- Cost Savings: Save data costs by connecting to free shared WiFi hotspots.

- Easy and Fast: just search for the blue key...

Has anyone tried Wifi Master Key App to connect wifi?

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