Screen 2 - Show Elapsed time as minutes and seconds
My method ShowElapsedMinutesAndSeconds () does just what its namesake suggests. First, it takes the session's elapsed time from the game and saves it as a Decimal "d" variable. I then take "d" and turn convert it into a concatenated string, using its Minutes and Seconds properties.
Screen 3 - 'Exit Game' method
The third image shows the Xamarin C# code needed to display an iOS popup screen with custom text and allows you to change what happens when you click on either the positive or negative value.