We have been using on-prem Mac computers and Mac-aaS providers including MacStadium for our game distribution builds. SWET (SoftWare Engineer in Test) team is part of the DeNA Quality Control Department and offers automated test development and implementation support. DeNA's major business areas are in mobile games, sports, live streaming, healthcare, and automotive. “DeNA aims to entertain and to serve through our businesses, under our mission to delight people beyond their wildest dreams.