hello! if you have any website , such as eCommerce, or any product that you want to be promoted, and get more conversion, you can go for mobile application!. Why would mobile application be useful for your business? because mobile application are now a days widely used for online shopping, and once your client likes your website, product and download your business mobile application, you will always have more chance of conversion, because now you have your items listed directly on his mobile phone. How to create mobile application for free? There are number of mobile application app builder that are doing really a great work, some of the names that i would recommend where you can create mobile application both for free and for paid. http://www.createmyfreeapp.com como, appmakr etc. There are other numerous features associated with these mobile application created from app builders.
I used como, but the free plan is so limited.... I think it's like 5 installations... But the app creation is really really simple.