Can I use the Klett Sprachen App on my Android tablet? 25 June 2021 12:51 Updated You have to download the latest version of the Klett Sprachen App from the Google Play Store. Related articles Do you know the Klett Sprachen App? Where can I find the licence key for my product? Can I print out the exercises in the Klett Sprachen App? Can I play media files in the Klett Sprachen App? Are the exercises in the Klett Sprachen App interactive?