You can listen to the audioguides directly on your smartphone via these links:

Audio guide to the Bernadotte tour
https://www.kungligaslotten.se/english/articles-movies-360/the-royal-palace/2020-06-22-bernadotte-tour.html

Audio guide to the Chinese pavilion
https://www.kungligaslotten.se/english/articles-and-movies/news/2020-06-23-audioguide-to-the-chinese-pavilion.html

The Royal Walks app can be downloaded free of charge from the  App Store and Google Play. The text is in Swedish and English, and is illustrated with new and historic photos.