The games are reviewed by major mags and sites and customers. Many companies so release financial info for what they sell too.
Exactly, Looking up those receipts will only prove that the software being moved by other portable VideoGame platforms such as Nintendos DS and Sonys PSP is selling almost x10 more on those other platforms. Meaning, people are actually playing games and buying those platforms for GAMES.
He was reaching with his claim " also the most popular portable game player in the world.”
It's like.. No ****? If you stick a nail-clipper on every Iphone its going to be the best selling nail clipper. That doesn't mean its worth anything.
11:15AM - “What’s the weather like today?” Siri gives the forecast. Big applause.
11:15AM - Demo time for Siri!
11:14AM - Siri: the intelligent assistant to get things done just by asking.
11:14AM - “For decades technologists have teased us with this dream that we can talk to our technology. But it’s never come true! It’s such a let-down! What we really want to do is just talk to our device!”
So far im not impressed
It may be the biggest but the smartphone games are trash. Don't tell me that you are comparing 3ds/psp(v) quality to these 0,99$ games . 
someone hasn't got past Angry Birds. There are games for phones that could beat, graphically, some of the best PSP games out there.