One way you can address this is by providing each of the add-ons as commercial applications themselves, and communicate between your main app, and the add-ons via Intents.
AFAIK, If you try to charge outside of Market, you may violate Android market's terms of service. Inder --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---