Your network contains one Active Directory domain named contoso.com. The network contains a deployment of Remote Desktop Services (RDS) and a deployment
of Microsoft System Center 2012 R2 Configuration Manager.
All client computers run Windows 8.1 Enterprise and are joined to the domain.
All line-of-business applications are implemented as RemoteApp programs. The applications are added and removed frequently.
You need to ensure that published RemoteApp programs appear on the Apps screen of all the client computers.
What is the best approach to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer.

A.
Create a text (TXT) DNS record. Have users install and use the Remote Desktop app from the Windows Store.

B.
Create a text (TXT) DNS record. Have users configure and use a RemoteApp and Desktop Connection Control Panel item.

C.
Configure a RemoteApp and Desktop Connection Group Policy setting.

D.
Distribute RDP files to users by using Configuration Manager.

Explanation:
http://www.virtualizationadmin.com/articles-tutorials/vdi-articles/general/distribution-of-remote-apps-and-desktops-in-windows-server-2012.html