The mobile market is a different market than the console market, not just a smaller version. The mobile market skews much younger, and more towards casual games. Who wants to play a 40 hour rpg on a two and a half inch screen? Who wants to play 3 hours at a stretch?
The mobile market is about casual games and younger players playing while their parents are driving them somewhere. As a younger audience, it's also more price sensitive, no one's going to buy their 8 year old a $300 mobile game system.
Which is why the DS is crushing the PSP. Nintendo has mastered the mobile market, and has essentially controlled it since the introduction of the game boy in 1989 w/Tetris. I don't think it's changed much in the past 18 years....Nintendo continues to dominate, with casual games selling better than ever.
I'm not sure who Airborne Entertainment is, but they're not a relevant player in the space. They should be asking Shigeru Miyamoto or Mr. Iwata about the status of mobile gaming, as they've sold over 10 million DS's.