Apps using Xamarin.iOS, targeting iOS 8 and newer; plus some watchOS demos.

Uses Bluetooth LE APIs to communicate with a heart rate monitor and display the value on the screen. Stores data in iOS 8's Health app via HealthKit.

Demo iOS 9 features like Force Touch, simpler Collection Views, and localization (including RTL).

Todo list application with an iOS 8 Today Extension for the notification screen (showing how many items left to-do). Uses ADO.NET for the data access.

Your first WatchKit app

Remember the old Casio...

Set face complication text with Scribble!

Storing and accessing data in Sqlite stored locally with watchOS 3

watchOS 1 demo of accessing files (Instagram photos) on the connected iPhone's filesystem (you have to authenticate on the iPhone first, using OAuth)

Tiny version of the Todo sample that runs on the Apple Watch (works in watchOS 1; in progress for watchOS 3).