walled garden
Mapping The Mobile Landscape: Does Closing Windows Make Sense For Microsoft?
Microsoft's plan for a Windows RT walled garden is bad for users and developers and not all that great for Microsoft either
Microsoft defends Windows 8 walled garden for ARM
Microsoft's response to rumors about Windows On ARM tablets suggests they will be more like Windows Phones for PCs.
Is a Windows walled garden Microsoft's plan for ARM?
Evidence seems to be mounting that Windows 8 for ARM tablets will feature a walled garden similar to Windows Phone and the iPad.