Your project should follow the below mentioned guidelines:-
1. Don't send the code of project, upload the code on github and send us the github URL.
2. Send the URL of your website which must be live.
3. Include the payment gateway.
4. Include Contact US Facility. It is to ensure that project is develop by you.
5. Send us small presention that What is the current problem in market and how your project can solve it.
6. Email all the above mentioned things at email@example.com