from what I know, C2 have IAP object and you can use IAP plugin from PhoneGap, CocoonJS, etc
I think you can easily find tutorial about using that plugin in the google
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Hey there, I'm from Indonesia.
Hi Friend,
my name is Faqih Arifian and I'm from the Indonesia.
this is my first game creator I've ever use. It's very easy and simple to use.
Though I haven't made google play account, but now I'm doing my second game.
Nice to meet you guy