There are different types of websites depending on its purpose. Some websites simply provide the business information, some sites purchase, or sell products, and some sites allow users to connect with themselves. Therefore, it is very important to select a correct format to create a website.
(1) - Development of PRESENTATION WEBSITE is compatible with the other types of website for future development if you will plan to get one.
Practically, the all kind of websites from the list above, are already made to be compatible with the mobile devices, saying that the website will automatically detect the devices and will appropriately adjust the whole page to make it mobile-friendly. But it's possible to create an application for the specific mobile OS (Operation System) such as iOS (iPhone), Android (Nexus, Samsung, HTC, etc...), Blackberry or Windows Phone (i.e.: Nokia).