This was the exact same idea that I submitted for Google Cloud Developer Challenge in last November. I could not finish the app in time because of my exams and

This was the exact same idea that I submitted for Google Cloud Developer Challenge in last November. I could not finish the app in time because of my exams and followed by my internship. I'm not sure if this is their original idea or they've read my application. Is there anything I can do about it? Even if I can't, this just boosted my confidence on my startup ideas.