IOS project in swift using mapkit

Ability to work with existing code in Swift. Add some new features to existing code. Please show previous IOS apps done in swift. Payment only after iOS app accepted into apple store. Send testflight or diawi of previous work of just 1 app, also send links to live IOS apps in apple store. Need to show examples working with mapkit.
Skills required
iPhone, MapKit, Mobile App Development, Objective C, Swift
?PlayCompany from Brooklyn , United States