Google App Developer: Change Default Language of App

I just published my first application on Google Play and I accidentally chose the wrong language as default language for my application. I set "German", though my app is actually in English.

I can't find the settings anywhere where I could possibly change this setting.

Does anyone know where to edit this?

How do I change the language on the console app?

To view your app in another language and check your app's translations, you'll need to change the language on your Android device. To do this: On your device, open the Settings app . Select Language and input > Language.

Can I change the language of one app in Android?

Change the language setting for a specific app On your Android phone, open your Settings app. App languages. Select the app you want to change. Choose a language.

click "add translation", select US English.

This shows another button "manage translations", and you can change the default language, or delete other translations.