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
In that case, just delete and, reinstall the game.
I had same problem b4 and, reinstalled, then problem solved.
but, all boosters gone that I purchase.
I have same problem.
when I finish the new levels and click the next button.
sometimes freeze at white screen
I have to wait 5~10 minutes to relese it