need add function to android

hi, i have a website, a feature has been added to the website, that is, it has been edited and the apk that is equivalent to this website is available, this means that now the mobile application does not pull the data on the website, the features written on the website must be written on mobile. These are the KOTLiN features. Since the website is running to aws cloud, the mobile application must be run to aws cloud, and it was in the second feature category system. categoro system should be organized, website in mobile application