After using this method (I did enable developer options before I got it to work), I was FINALLY able to get the speed dial to actually USE 9 columns and sized the icons as I had them in Opera 12.16.
Remember when you go to Settings (Alt. P) to click outside the search bar first. That one step is important.
Then when you do the rest, starting with the arrow keys, it should work. Once you enter Power User Mode, go over the choices carefully. Hiding the search engine is there. No, this is not Apple Software.