BMF affiliate program can be promoted anywhere there is a market for the offers, not really minding the language. If the offers are available in non-English speaking countries, and the affiliate has what it takes to promote the offers, there is no problem.
Have you promoted any BMF affiliate offer in another language? How was the experience? Did you get more traffic? How were you able to convince the audience to use your affiliate links?
Have you promoted any BMF affiliate offer in another language? How was the experience? Did you get more traffic? How were you able to convince the audience to use your affiliate links?