Mindstorms uses an easy-to-learn (yet plenty powerful) icon-based programming language, which is loosely based around Logo, an educational language developed at MIT's media lab.
The AVR-890 and AVR-990 both feature Denon's newly designed GUI with overlay via the HDMI connection, and the AVR-590 and AVR-790 both feature Denon's new enhanced icon-based OSD.
Rather than create a native app the BBC plans to allow a web-based version of iPlayer to be accessed via a live tile - or square icon - on the Windows Phone home screen.