add last sample

Author: conceptdev

LivePlayer/BasicCalculator/readme.md

@@ -1,6 +1,6 @@
 ---
 name: Xamarin.Forms - Basic Calculator
-description: "A basic calculator app for Android and iOS"
+description: "A basic calculator app for Android and iOS using Xamarin.Forms"
 page_type: sample
 languages:
 - csharp
@@ -10,6 +10,6 @@ urlFragment: liveplayer-basiccalculator
 ---
 # Xamarin.Forms - Basic Calculator
 
-This Xamarin.Forms app provides a simple calculator you can use on your Android or iOS device
+This Xamarin.Forms app provides a simple calculator you can use on your Android or iOS device:
 
 ![Calculator app](Screenshots/basic-calculator-sml.png)