App idea

I am in school, but I have a really good idea, and I thought that I'd give the idea away to someone else, since I know I will never do it, and it's a good idea. The app idea is an app called "Swap", and what it does is, if you're looking to swap a puppy from someone on Facebook, Instagram, or whatever, it interacts with the seller, giving you the common scammer red flags, and let's you know if it's a scam or not, and if it is, it reports the account