The Community in more languages
Now the forum welcomes more languages.
You'll see a green translate button in comments and discussions to turn them into English
If your boosters are gone then please refer to this thread here:
https://care.king.com/en/candy-crush-saga/boosters-messages-842482091
Regarding the treasure chest. Make sure your game is connected to your Facebook/Kingdom account and that you also have a decent wi-fi or mobile connection.