Supercell is an industry leaders in the mobile space, they have successfully released 2, $1 billion dollar apps (Billion Dollar App Club). in 2016, they’ve achieved an amazing hallmark of experiencing 100 million DAU. They put together a Thank you video and explain their road to success. Very good read.
If you want to read their entire story visit the link below on how they got from garage start up to one of the biggest mobile game developers in the world.