- A sample app consists of three epsodes. Epsode1 is free, Epsode2 and Epsode3 are to be paied.
- Once paied, the image files of Eposde2 or Epsode3 is downloaded from an Internet server
- iap_badger is well known library of Corona SDK. It supports apple, google and amazon
please read more from this tutorial page https://kwiksher.com/daily/downloadable/
P.S. you need the latest Daily build of Corona SDK and the latest Kwik4.