Original sentence: Some mobile developers expressed concern about King's long term intentions for the engine, as well as the lack of a clear business goal.The announcement and release of Defold as a free to use game engine was made at the Game Developers Conference in San Francisco in March 2016
Edited sentence: Some mobile developers have expressed concern about King's true motives as intentions of King with Defold engine weren't fully known and no business goal was clearly expressed in the announcement.The announcement and release of Defold as a free to use game engine was made at the Game Developers Conference in San Francisco in March 2016, which initially was met with suspicion