'Katemi' is an $11 HTML landing page for your app or product. It's main feature is the interactive tour which highlights parts of the page with a series of speech bubbles and smooth-scrolls through them one at a time. The responsive design does have minor bugs which you'll want to address when customizing the page, but for $11, it's a low cost base to build your landing page on.
Katemi Landing Page v2.0 has been built with Bootstrap 3.0.3 and have a fully responsive layout. This template also provide mobile first and SEO friendly code which will make search engine loves your site!