If you implement this I will seriously consider trying an android game project.
Multimedia fusion already has a game object that does that:
community.clickteam.com/threads/ … le+payment
Microtransactions are an important part of the freemium game model. Looking at statistics the biggest percent of game profits on the ios and google store are made with microtransactions by freemium games!
So can we do this in gamedevelop?