wp8.1启动协议

var uri = new Uri(string.Format(@"ms-windows-store:navigate?appid={0}", appid));商店根据appid跳转

var uri = new Uri(string.Format(@"ms-windows-store:search?keyword={0}",keyword));关键字搜索

var uri = new Uri(string.Format(@"ms-windows-store:reviewapp?appid={0}", appid));商店根据appid跳转评论

await Windows.System.Launcher.LaunchUriAsync(uri);

其他内置参考这

http://www.it165.net/pro/html/201405/13336.html