Update #1: Rovio has since taken to its blog to address the issue. Regarding Android in particular, the company has this to say:
On Android the issue occurs because, for technical reasons, the purchase history cannot always be restored on that platform. Our customer support is aware of the issue and we would recommend contacting us at [email protected] to anyone who is still experiencing this.
We've reached out to the company for further clarification.
Update #2: Rovio has confirmed that previous customers should still have access to the original five levels without having to buy anything again, but it encourages them to contact its support line rather than wait for the app to recognize their purchase history.Read More