Hard rejected project : could you help me

Could you give me some advises please! What can I improve? I really need help. Thank you!
Best regards, PotatosProduction!
https://www.youtube.com/watch?v=sn_iclLvnNU&feature=youtu.be

Hi Managing Person,

I will help you to assistyou. Please contact me on +13474670976 and join me on Skype - cis.seth.

Waiting for the reply.

Regards,
Seth Roger