The Playtomic C# SDK by Playtomic allows to integrate video game features into Windows 8, Windows Phone, and Mono Touch because it has been tested with Xamarin and Visual Studio. With the kit and API interaction, developers can access players subscription, achievement list, and activity stream.
Following-up on yesterday's post on the best new mashups, here is another notable mashup from this past week, yesterday's Mashup of the Day: Gaiagi Driver. What is it? It's a mashed-up 3D driving simulator that uses a lot of web APIs across multiple windows to create a unique driving experience. Give it a starting and ending address and it follows the path created by the directions and shows your present position in four different views: