You can manage your Disk files on your Windows Phone with the "Yandex.Disk" app. You can download the app from the Windows Phone Store.
- Windows Phone 7
- Windows Phone 8
Use your Yandex username and password to log in and you will have access to the same files and folders as on the web interface.
To update, pull the list of files and folders down. The app status will change to "Updating" as the new data is retrieved.