I have the latest update of the game and it still goes to a black screen every time I reach one of the question mark boxes. It will also sometimes go to a black screen when I am clicking the ready button on my candy factories.
I downloaded the latest update that was released today and the game is still not working correctly. It is still crashing and says it still has a bug. I am playing on an Android phone.
I have android also. I have had the Chest Quest event on my game. I just got an update in the play store. The new levels are open now. I still see the event but the chest is missing.
I am having the same problem as you are. I contacted support about it and they said that it is a problem with the game and they are working on getting it fixed.