Visit gskinner.com News and views on the world of interactive media from the gskinner team Traditionally, gskinner has been a shop with expertise in Flash/ActionScript technologies, and then JavaScript/HTML/CSS since the slow decline of Flash. However, in the past year we have spent a great deal of time working with C# and XAML, specifically on the Windows 8/8.1 and Windows Phone 8/8.1 platforms.