UNITY - Creation of 4 concept videos for mobile game

Hi! I'm looking for a person who knows what are CTR tests on FB, know how to prepare short 15s Videos with a gameplay conception of Hypercasual Game in the UNITY, and why this is the first step of checking if Idea is catchy and also sufficient for further development. The work I offer is based on the preparation of 4 videos with such specification: - Duration 15s - Format 4:5 (FB) - Created in UNITY(2D, 3D) - All videos will be based on the same game play but they have to be varied(Ex. 1. winning, 2. Lost....e.t.c) From my side, I only have an idea, I don't have any assets. How you create this videos is on your side. My budget is 400$ - for 4 videos. Delivery time - 7 days. If everything what I wrote is clear and understandable and you know how to get this job done, please contact me.