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Apple Discusses Push Towards High-End Mac Gaming in New Interview
(www.macrumors.com)
This is a most excellent place for technology news and articles.
From the interview, the push is pretty clearly at encouraging developers to build games for iPhone, iPad, and Mac through one workflow, and a unified API that targets all 3 types of devices (potentially throwing in an Apple TV as well).
Self identified gamers are pretty dismissive towards non-AAA gaming on mobile devices, but those types of games do make a lot of money.