User blog comment:Dragonjet/KC3改/@comment-112.200.103.203-20150821154530/@comment-1820055-20150824033557

It adds a button in your gameplay screen to refresh the game. Useful for catbombs and the like, but the "Danger" note is to warn users not to abuse the feature since spam refresh may lead to ban.

https://github.com/dragonjet/KC3Kai/issues/673