Phone1-1.0-pc.rar -

: It is almost certainly a Ren'Py build. You can often find the script logic inside the game/ folder, typically compiled as .rpyc files.

In these games, the "Phone" isn't just a menu; it serves as the primary engine for: phone1-1.0-pc.rar

: Save data for this version is usually stored in the %APPDATA%/RenPy/ directory on Windows, rather than the game folder itself. : It is almost certainly a Ren'Py build

: A dedicated "Photos" or "Gallery" app within the simulated phone that unlocks high-resolution artwork as you complete specific story beats. the "Phone" isn't just a menu

If you are looking to modify or explore the "deep" internals of this specific .rar archive:

: Progression is often locked behind receiving specific "SMS" messages or "App" notifications.