Fiverr Community Forum

SEO and wp

hi, we have a new wp website,we offer free mobile app builder platform,we create and add new business directory plug in to our website and want to list and marketing our client ads and info to web and mobile

question is:

  1. how we can advertise each list into the web?

    2)should we use different method for Seo or marketing to get mobile search engine result ?
  2. Is it good idea that our mobile app builder and directory are in 1 website address?
  3. should we use to have sub domain to install plugin to get better result?