Main search for Virtual Reality: https://play.google.com/store/search?q=virtual%20reality&c=apps
By Michael Balzer. They are all fun in someway or another. None I would consider 7+ except the Catatonic video in the VRSE app.
https://itunes.apple.com/gb/app/youtube/id544007664?mt=8 (Sadly this does not work try the following to view content from YouTube)