It could also be a digital press kit or an interactive component for a documentary series of the same name. General Review (If it is a MacOS Application)
As a .zip for Mac, it is built for macOS and likely requires you to "right-click and Open" to bypass Apple’s Gatekeeper security settings if it is from an unidentified developer.
The "Final" tag suggests the developer has completed the core feature set and addressed major bugs from previous beta versions.
Version 1.0 releases are generally the first polished iteration intended for the public, often balancing a minimalist interface with its primary functional goal—whether that is storytelling (in a game) or utility. Security Warning