I've found some new and undocumented URI schemes in Windows Phone 8.1.
Read more about it on my blog:
http://leonzandman.com/2014/04/28/new-and-undocumented-uri-schemes-for-windows-phone-8-1/
Code:
ms-settings-workplace
ms-settings-proximity
ms-settings-nfctransactions
ms-settings-networkprofileupdate
ms-settings-notifications
ms-settings-camera
ms-settings-uicctoolkit
ms-battery
ms-wallet
Read more about it on my blog:
http://leonzandman.com/2014/04/28/new-and-undocumented-uri-schemes-for-windows-phone-8-1/