Android rss feedback acquiring app

The app needs to be made for android, it must work on any android version and any resolution, it will take from rss elements like articles and will show them as specified below. The app must support: take feedback rss data and show them as elements in a list, settings menu with setting how often to update data and what categories to show, showing the elements in categories,the app to have a pro version which will have a desktop widget too which will show an element, or elements in a category or favorite elements, and changeable themes.