The Roku 2 media box has an intuitive menu system & an incredibly easy to use setup, so within just a few clicks of the remote you can be up & running, The Roku uses its own application store which it refers to as channels, there are over 1700 "channels" available to download, which should cover more than enough content for you. Access to such channels as BBC i Player, ITV Player, All 4, My 5, Google Play, Spotify, Plex, You Tube & Now TV are among the many channels available.
The Roku 2 is capable of displaying 1080p from its channels, the speed of the box is always important, & you will find the Roku 2 is very capable & speedy in this latest version.
Channel content may differ in some regions, access to certain content may be via subscription or other payment method. Online services are subject to a fast enough internet connection, most services require a minimum of Approx. 2.5mb/s however, for high resolution content you may require faster.