The Foreign Ministry yesterday introduced a “Street Food Isaan” mobile app to attract foreign visitors to the north-eastern region of the country. The app features more than 100 street food stalls from eight Isaan provinces: Khon Kaen, Ubon Ratchathani, Nong Khai, Udon Thani, Nakhon Ratchasima, Buri Ram, Loei and Surin. It is the latest of…