Mobile app development started during 2014 with Apple SwiftUI for creating iOS apps. I made many apps and submitted one to the App Store. A year and a half later I wanted to create Andriod apps. Xamarin C# allowed me to create both iOS and Andrioid apps from a single code base.
Top and bottom menus, for selection large amounts from a database.
Top and bottom menus, for selection large amounts from a database. Andriod version
Full size website pages on handheld devices are provide this operation.
Many table views for individual cell selection.
Lots of ways to bind data to screens