Feedback on the writing so far: Several times when you're narrating that a character does some action, you write it out with quotes around it. For example:
"She tilts her head slightly, studying you for a moment"
"Her smile returns"
Other times you don't:
She gestures around the room
That's very confusing, as quotation marks are the standard way people indicate that something is being said, whereas you're using it to mean the opposite of that. I get that everything is currently in a dialog box so everything is kind of implied to be spoken so you need some way to indicate what isn't spoken, but putting quotes around non-spoken dialog is not the solution. Other engines solve this by putting their non-dialogue text in some different font, different color, write it in italics, or make sure that they always put the quotes around spoken dialog so that it obeys normal expectations for written text.
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As for the brevity of this game as is... I'd say you should put something in the title to help people not get their hopes up. Maybe something like "tech demo" or "proof-of-concept". If you were just trying to show off how much effort you went into making the character's face and lips animate when she's speaking, that would be fine if you were up front about it. But now I'm definitely in the camp of being less interested in this game now that I've been shown nothing at all.