Yoshikazu Tanaka, the 33-year-old boss of Gree, a mobile-gaming company whose listing made him reputedly the youngest billionaire in Asia, believes this is because many are too complacent.

手机游戏公司“格力”的上市，让它33岁的老总田中义一成为了亚洲最年轻的亿万富翁。他认为罪魁祸首是自满心理。

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Then in April Gree announced a similar deal with Mig33, a gaming company popular in Southeast Asia to make their games inter-operable.

FORBES: Names You Need To Know: Gree Pushes Mobile Games Global

The "growth hub" for casinos, though, is really Asia, says David Green, director of the gaming practice at PricewaterhouseCoopers' Macau office.

FORBES: Genting's Poster Boy

According to PricewaterhouseCoopers, Asia is set to become the world's biggest gaming market in 2013.

BBC: People at gaming station Macau