Need testers for my German learning app (interface in English)

I will test back 100%

1. Click Join Group here: https://groups.google.com/g/worio-android-testers

2. Become a Tester (using same Gmail account for step 1): https://play.google.com/apps/testing/com.worio.mobile

3. Download the app: https://play.google.com/store/apps/details?id=com.worio.mobile