Re: delay opening menu
Tiki does not set one. It is default 800 from Superfish JS.
lib/jquery/superfish/js/superfish.js
Search for delay.
You can override using jQuery Smarty block in Look & Feel admin panel > Customization > Custom JavaScript textarea:
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{jq} $('ul.cssmenu_horiz').superfish({ speed: 'fast', // faster animation speed, already set by Tiki delay: 0 // no delay, default is 800 }); {/jq}