Recurring Orders allows you to change all the wording and language, on almost all major features and pages.
All of the options are found under Settings -> Language.
By default, it says: Subscribe and Save!
Configure Language Settings to change the wording on your subscription product pages. Some wording can't be removed, but it can be adjusted.
Currently, this isn't an option. The language settings are global and affect all pages in your store. There is no way to have two languages operating on one Shopify store.
Yes, we've tried to make sure the app is fully translatable. If you notice anything that you can't translate, please Email our Support Wizards.