Responsive design only for android mobile

I have a website which full support to responsive.Now i designed different android application for my website.Thing i need is,

I want force my every android visitors to download android application, when they visit my site through their android device.(only for android). (when they visit my site through android device will show to download application to view site. and when they visit site from ios or other mobile os, they can view site with responsive.) hope you got it. Is there have any possible ways to do it?