The YouTube application has been withdrawn, one of Youtube's major updates caused a lot of compatibility issues across a range of devices, breaking them completely in some cases. In the case of the PSVita's, they decided not to fix it on the app itself. Instead, on PSVita you should now access Youtube directly through the browser.
You might be in a region where it has not been released, sometimes some regions get it before others. Keep checking.
It is within the 'apps' section on the PSN store. You could also search for it using the search function.
keep on lookin dude/dudet
search for them on youtube if you cant find em there then they have been removed and are no longer on their server.
You can search your YouTube account name in capital letters and then it will give a list of all the video's you have uploaded.
If you cant find a tutorial from google or youtube I'm afraid i cant help you there friend.
Hey I KNOW! It's NOT on youtube. But you can look on Google.
i use youtube, alluc and google videos, but sometimes i cant find it on any of them.
You can find them on YouTube. The only one you cant find is Berry.
It means it cant find the video or its unavaidible.
Look it up on youtube and you might find it or its just that you cant.
yaboyamctv is his youtube channel or just hit him on twitter he writes back sometime