Yes, you may still sign up and work towards earning the Certificate of Global Competence. You will still need to comply with all requirements, including four years of a foreign language.
While we cannot speak for individual admissions offices, you can relay to post-secondary schools your commitment and work towards achieving the certificate. Being a Global Scholar is a positive recognition on your transcript. Senior year, Global Scholars are also recognized at the Awards Ceremony in May and graduation in June.
The DPI uses a 1/2 credit system, whereas WFB uses a whole credit. They equate to the same amount of required coursework.