Rovio launches Halloween spin-off, but burns bridges with Chillingo.
More than three million people have now downloaded the Android version of Angry Birds since its release late last week.
Google announced the milestone on its mobile advertising blog. The company is providing the in-game ads for the Android version, which is free to download.
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"Rovio is excited about the partnership with Google's AdMob as we explore new business models that will allow us to maximize reach across mobile platforms," says Rovio's Peter Vesterbacka.
Besides standard ads, Rovio will also be using Google subsidiary AdMob's 'House Ad' service to plug other games and products within Angry Birds. That will include ads for its soon-to-launch plush toys.
Back on iPhone, Rovio has launched a spin-off game for its feathery franchise: Angry Birds Halloween.
The game includes 45 new levels, as well as suitably spooky music and scenery. It's being sold for $0.99 on iPhone and $1.99 on iPad.
However, it seems that Rovio's relationship with the original publisher of Angry Birds, Chillingo, is well and truly over.
It has self-published the Halloween game, and having spent much of last night tweeting to the world that Angry Birds was not part of the EA/Chillingo acquisition, the developer made its position clear in an interview with TechCrunch.
"We only did the first iPad/iPhone integration with Chillingo and aside from that we’ve published everything ourselves," says Vesterbacka.
We will not use Chillingo again... You don’t need publishers."
Well, you might not once you have a monster hit like Angry Birds - although we sense that now it's owned by EA, Chillingo may take a harder line on IP ownership in its contractual negotiations with developers.

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