NHN Japan's messaging application "LINE" is very popular. It's popular now in not only Japan but also East Asia, North America, Middle East and Spain. Therefore they perform various tie-ups abroad.
This is tie-up PV with Korean singer PSY. Dancing characters are so cute! The stamps of PSY are sold in the LINE stamp shop.
In addition, hip-hop group Far East Movement let LINE come up in PV.
And LINE train runs now in Taiwan.