I don't believe that's what OP is asking, they mean to ask about the following scenario:

1. Someone sitting next to you in a bar is playing a match on their phone, but the bar is not.

2. Your phone has the app installed and hears the match.

3. La Liga sues the bar?

Presumably then La Liga investigates the bar in-person. Or waits until X reports have occurred over Y duration and THEN have someone investigate in-person.

I doubt it. They’re not going to take a case to court for a single hit because it would be so easily dismissed.

They would have higher priority situations where dozens of phones hit at the same time in the same bar.