Brawl Stars is another production released by Supercell, the largest developer of mobile games, Clash Royale and Clash of Clans. Anyone who has ever played mobile games should know how big these productions were. Since the release of Clash Royale for one year (not to mention Clash of Clans), the label has taken on the role of creating something new (and that’s because every Supercell-released game has always been successful). So was the Brawl Stars Hack. What’s this? What’s going on in this game? You will find out for a moment. Rainbow Gems - Brawl Stars Generator. Server 1: If the above service does not work.try below server 2. Server 2: WHAT IS IT BRAWL STARS? This is, of course, a game similar to CR and COC.