I seem to have the same problem. I have read the above instructions carefully and tried to follow them but without success.
In the Components > HikaShop > Products page two products are listed: a Book "Courage in a Hostile World" and a Paper "A voice to our nation" in that order:
In the Menu for the Products-listing page, namely Shop (Alias: hikashop-menu-for-products-listing), The Products options tab has the Ordering field set to "Ordering":
In spiite of that, the public Shop page has the ordering reversed - paper first, then book second:
What am I doing wrongly? Or, is there a bug in the system?