Today, mostly people prefer online shopping using their mobile apps and smartphones. For your website, it needs to be mobile friendly, so your customer can reach your business using their phones,which they bring wherever they go.
An android app is an example to this. It is an operating system that runs through a smart phones devices. This is good for a business that wants to compete the market today, where today customers tend to shop in virtual world. For the reason, that it is less hassle and much easy to buy and especially less effort.