Total Innovation EU ltd - Digital & Training Solutions.
Since Googles recent update, mobile websites are the priority, but before you jump into the development you need to work out how mobile users access your site. Website analytics are a good source of this, you can then tell if mobile users are looking at your whole site or just some areas. This will help you to decode between a mobile application or a responsive website.
Responsive website are sites that make all of your content work on a mobile device by shrinking it down to fit the browser. A mobile application is a dedicated mobile site where you control what the user sees and what navigation they can use these applications can really help with marketing as you are giving the customer exactly what they want and need on a mobile device.