This app is a collection of information on Mossberg stores in Japan, Taiwan and China. We plan to add other countries in the future.

MOS Food Services, Inc. , doing business as MOS Burger , is a Japanese international fast-food restaurant chain (fast-casual). Its headquarters are in the ThinkPark Tower in Ōsaki, Shinagawa, Tokyo. At one time its headquarters were located in Shinjuku, Tokyo.

Currently the second-largest fast-food franchise in Japan after McDonald's Japan, it owns numerous overseas outlets over the Asia-Pacific. It is also the name of the standard hamburger offered by the restaurant, being its first product when it opened in 1972.

As of February 2014 the publicly traded company runs 1,730 MOS Burger and several AEN, Chef's V and Green Grill stores. One slogan used within its stores is "Japanese Fine Burger and Coffee".