Android - Block any contact during a call

Hi guys!

Blocking someone on Android is not as easy as we think. The purpose of this concept is to challenge the discoverability of the feature of blocking. I focused on the phone calls.
Here is an Android phone, during a call. The purpose is to permit the blocking when you realize a spammer or worse is on the line.

I'm writing an article about the subject, and it is coming soon.

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