Time Warner Cable announced the launch of TWC TV for iPhone. It's designed to let customers watch live TV from within the home, change channels on the set-top box and manage the DVR from the iPhone. The feature is available at no additional cost to Time Warner Cable video customers that have a broadband connection. Features include an IPG, search, set-top box tuning and DVR management.Customers can download TWC TV from the App Store, launch it, log in and scroll through the channel lineup to select programming. The IPG, channel tuning and DVR management features require a set-top box or DVR running the "Navigator" IPG.