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As with every Event run by King Brian not everyone will receive it. It doesn't matter that you are sitting right next to your friends or family that have the Event all Events are randomly delivered to players.
As long as your game app is up to date and you have completed a minimum of 25 levels then if you haven't got the Event by now then you aren't likely to get it at all.
I say 'randomly' delivered by King, but what I actually mean is that I have no idea what criteria they use to deliver the Events to the people that do receive them.
Adverts are handled in the same way as King handles Events @Brian5Church. That is, some people will get them and some people won't. If you haven't got them at the moment it doesn't mean you will never get them, but it also doesn't mean you will get them.
It doesn't matter which device you play on as features/Events are all handled the same way by King.