The Austrian broadcaster ORF even released an TELETEXT app (!) this year [1], available for Android [2] and iOS [3].
An then there is also art, as with every "old" tech. Check out the International Teletext Art Festival [4].
[1] http://futurezone.at/apps/orf-teletext-app-fuer-ios-und-andr... [2] https://play.google.com/store/apps/details?id=at.orf.teletex... [3] https://itunes.apple.com/at/app/orf-teletext/id1063231874
[4] http://www.teletextart.com