[jefflinwood]

With regards to prototyping and designing, you really have to be thinking about responsive layouts with breakpoints.

Whether that's native Android layouts and dimension files with different breakpoints for widths, Size Classes for iOS, or CSS Media Queries for the web, that's really what you need to decide.

Generally speaking, for a content-heavy app, you're going to end up trying to move all of your business logic into your server back end, and let your front end (Android, IOS, web) render content.