Provides playback controls for some of the challenges on Duolingo.
Very nice extension - exactly what I was looking for. Interface and appearance are really good too! Thanks a lot for your efforts :-)
Thanks
A very useful extension. Thank you very much!
blmage
Nazar Bodan
chris
jzlong666
https://caverncode.com
Toran Sharma
Emil Bruckner
blmage
Eratosthenes
Morgan
Dan Erat
blmage
