What is the Good To Stargaze for Astronomers application, how does it work?

According to the introduction of Good To Forecast, Good To Stargaze for Astronomers is a Weather app on the Android platform. There is currently a 2.2.26 version released on Mar 09, 2020, you can see the details below.

When will it be good to stargaze? See the weather forecast, seeing, transparency, and light pollution, all in one convenient tool. Perfect for amateur and professional astronomers alike, for naked eye viewing, binoculars, or telescopes.