how do I find out if the application has been sent?

Tomorrow is the last day for submitting the program, i.e. until 23.59 on 31.01.22 should I send it?
What format to send? (.Fin)?
do i need to adjust the camera?

Good afternoon, the number of products is limited ?? for example, a blue comet 100 pieces! Is it possible to cut cakes – for example, a cake works for 10 seconds and I need 5