E3: Click highlights from the show floor

Smartphone and tablet gaming is becoming big business, and a lucrative mobile-only Japanese social network is bursting out into the wider world.

While the big announcements always make the big news at the E3 technology show, it is often the smaller ones that are the most interesting.

Dan Simmons, Richard Taylor and Spencer Kelly pick out some highlights from the gaming show in LA including the Japanese social network that is taking its domestic success to the West.

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