Media Browser is a great system for storing your media in one central location and then accessing it from a range of clients including Windows Phone, iOS, Android, Windows Media Center and now a new Roku app is in beta.
The app has the same range of features as the other clients, you can browser your movie, TV and music libraries and then play content on the TV via the Roku box. The beta app is available as a channel in the US Roku store and there are side loading instructions on this forum post.
Ian Dixon is a Microsoft MVP (Most Valuable Professional), founder of TheDigitalLifestyle.com tech site and producer of the weekly The Digital Lifestyle Show podcast. Ian has been writing and talking about Windows for over 10 years and has over 20 years in IT as an IT Manager. Ian has thousands of followers on Twitter and Facebook and over 4 million views on his YouTube channel.