1.No sorry, we are waiting for game produce during the jam, all assets, animations, interactions... have to be produce during the time of the jam...Quite more fun! But we guess that some can have an idea before the beginning of the jam...But there is also thematics revealed during the jam!
3.I think answer number 1 answered question number 3 in this case?
Thank you for your interest!
We hope you will join us!
Have a nice day.