The Remote Desktop Team have just put out a blog announcing a partnership with Citrix in providing XenApp “express”. In the process, Azure RemoteApp will be deprecated. Final purchased will be available up to 1 October 2016, while support will be available until 31 August 2017.
See the announcement here – https://blogs.technet.microsoft.com/enterprisemobility/2016/08/12/application-remoting-and-the-cloud/