Hello,
I saw the screenshots you added.
1) To display countdown timer on the products please follow our detailed documentation on how to add countdown timer on the products in the following link :
https://xtemos.com/docs/woodmart/faq-guides/display-countdown-timer-product/
2) First you need to enable the top bar for the mobile menu, you need to Go to WoodMart >> Header Builder >> Top Bar settings.
Screenshot for Clarification: https://www.screencast.com/t/TrWQeX3VBcm
Then Click Mobile Icon on top left side. Add the module in the top bar that you want to add.
Screenshot for Clarification: https://www.screencast.com/t/fB2Jf8h8L57B
Best Regards.