Android App Dashboard Upgrade to modern UI

three json data: they have google play app link that json data store in local database and one json based in webview link that also store in json file all three file data are store in local database then show in dashboard.
webview already created. just android app activity create If it's already install directly open app when click on app, if its not install then go to google play store and open mobile app installation page.

Webview Screenshot you can check easily, links in this time paste here but we want to links are store in json files then load in local database and then come here.

Android Activity:
https://stackoverflow.com/questions/3872063/how-to-launch-an-activity-from-another-application-in-android

JSON FILES
https://cnewsworld.000webhostapp.com/apps.json
https://cnewsworld.000webhostapp.com/app.json
https://cnewsworld.000webhostapp.com/links.json