Wow. That graph that came out a while ago was right, android users are cheapskates!
Firstly, that price point is about what apps should be - iphone ones are so low because A) there are 40 million iphone users that can purchase apps anywhere in the world, and B) there are so many v high quality iphone games that game quality alone is not enough of a USP, and price's are being forced low due to competition.
To say you won't buy it because it's priced differently in an entirely different market doesn't make any sense at all. How are developers going to be attracted to android with a market mentality like that?
Seriously - $4. Maybe don't get your daily starbucks / paper / coke if you need to reserve or recoup some funds after "splashing" out on a game you were really looking forward too....!
The game's awesome btw.