Question about Android App Dev

I am working on creating a very basic android application for a local wine bar. I want the app to include the full wine and beer menu, contact information, social networking links, an event schedule, and a weekly wine and beer special list, that can be edited by the wine bar owner.

I don't really know how to create a list that can be edited by the wine bar owner, and have those changes reflected in the app for the weekly specials.

I tried to google how, but I haven't had any luck. I was wondering if anybody had a basic idea of what to do I just need some general direction.