they call for interview but made me work for 1 hrs for free and I worked for 1 hrs and I left and after that they never contacted my via mail or phone

Usually a phone call, potentially a video call. Common questions include basic vape knowledge, willingness to commit crimes for the benefit of Head Office, and general retail experience. If you’ve got less than one brain cell and can be easily manipulated, you’ll get the job instantly. Generally it’s two weeks training (advertised) but usually ends up being a week of training before you’re handed the keys to a shop. Once you’ve gotten keys you’ll be running that shop completely on your own until you get fired or get raided by the Health Department.