The story
The company had one subsidiary, MileStone Vietnam Co. Ltd., established on August 1, 2007 as an authorized game software developer by Nintendo of America.
In March 2013, Hiroshi Kimura, the president of MileStone, was arrested for violations of the Financial Instruments and Exchange Act for his activities while selling shares of a new company called MS Bio Energy. Both companies closed as a result.
From Wikipedia’s article on MileStone Inc., shared under CC BY-SA 4.0.4