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I'm trying to add in-app purchases into my Android game and it having some trouble figuring my around the Google Play Billing. Can anyone refer me to a good open source reference for how to do that?

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up vote 3 down vote accepted

I came across an open source resource that simplifies in-app billing on Android. Take a look at They also have a reference app that shows you how to use it. Here is the sample app on Github

I'm using Unity, they also provide a free plugin on the Unity Asset Store:!/content/6103.

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