Website using the ¥ symbol on their website - meaning it may accept payment in this South Korean currency.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Open graph description entity tag
When running in a browser on a mobile phone, "format-detection" meta tag determines whether or not telephone numbers in the HTML content will appear as hypertext links. The user can click a link with a telephone number to initiate a phone call to that phone number.