Does anyone know how to change the language in the stories?
Hi there! The only languages in the stories are Spanish and Portugese. Sorry about that. Hope this helped!
Things to try before posting a question...
In the page footer, there is a link to the help system: https://www.duolingo.com/help
Here is an example article: https://support.duolingo.com/hc/en-us/articles/115003121003-Labs-project-Duolingo-Stories
There is also a wiki: http://duolingo.wikia.com/wiki/Duolingo_Wiki
And the forums have a search facility.
Sorry, but it is a test only for Spanish and Portuguese. It is a bit annoying so hopefully there will be some new languages coming to that feature in a new update. Did this help a bit?