Last Updated: April 17th, 2014
There comes a time in every mobile user's life when a new phone that he or she simply must have hits the scene. The problem is, that scenario probably hits on a yearly basis (at the very least), and contracts are generally for a two-year term; that leaves no option but paying full-price for the new handset.
To help offset some of the cost of the new device, the most logical option is to sell the old one.
Last Updated: April 11th, 2014
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@example.com to anyone who is still experiencing this.
We've reached out to the company for further clarification.