Seems DLNA was always there , just needed the right software to get activated. Like the NFC on C7 with Anna.
The Play to app is made in Qt QML with a gorgeous UI and the functionality is no less awesome. What the app does is, automatically search and connect to DLNA compatible devices over WLAN and lets you stream/share your favorite music, videos and photos with your friends.
According to Nokia beta labs, what you need is
What you need
A network with WLAN access is needed as well as a DLNA capable playing device (e.g. TV, A/V amplifier, Blu-ray player or PS3 game console). All devices including mobile must be connected to the same network.
A video demo from Beta Labs :
Hit the break for more info and known issues in this beta app.
Source BetaLabs <— Download app from here