I'm afraid, but that's something between you and the store host, we can't sort anything out for you concerning stuff that isn't directly connected to C2, such as third-party stores.
Thank you for the message. If I buy here in the scirra store then I get instant?
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Well, I didn't test the Scirra Store yet, but I'd say it's pretty trustable.
And even if something doesn't work, there's a whole community to ask.