Both apps are virtually the same as their mobile counterparts, I'm pretty sure there aren't any UI differences between the You Tube app on my Galaxy S2 and my N7.
The only difference I can see with the Chrome app is on the N7 it has tabs like on Chrome desktop browser.
Google ChromeYou TubeEDIT-I've moved this thread to a more appropriate sub-forum, please use the introduction sub-forum for introductions. Thank you and please feel free to start another intro thread just introducing yourself to the forum.