Use APKPure App
Get pub:qips Empty Vocabulary Builder (Language App) old version APK for Android
Un'app per inserire nuovi vocabolari. Digita su computer (facile) e importa.
This app is still under development.
I will be happy to receive your feedbacks.
> By making two entries
> going to the backup|restore page
> creating a backup
> and analysing the backup file,
> you'll understand how you should type on your computer for restore...
More at https://catholicapps.site.