After a lot of waiting to get things processed, it looks like everything has finally come together. As of today, you can buy Another Star on the official site. The price is $10, but you can add an extra tip if you so choose by clicking on the “+” symbol on the Humble Store widget before choosing a payment method. It’s entirely up to you, but I certainly won’t stop you.
I really do hope that you enjoy the game. Let me know if you come across any problems by posting here, or contacting firstname.lastname@example.org for technical support. (I might even stay up late tonight, just in case anyone has trouble getting the game to launch.)