Some days ago I met the owner of my previous company (it's not a really big company), let's call it company A.
He asked if I still have his contact and my personal name card (which I don't have). He then said they need some people.
Some days after I met him, I sent him an email to keep in touch with him along with my personal contact. He replied me that they are looking for a person for specific vacancy and asks me if I am keen to apply.
However, currently I am in midst of applying other company (company B) and just got reply from them that I am invited for interview.
I am now in my birth country and those companies are abroad. The country those company reside in, is strictly process 1 application only to get the working visa.
How can I delay my application to my previous company, company A without making them negative thinking, because I don't want to break our relationship?