Nintendo will have to wait and see whether these titles can help maintain their dominance in the handheld market with the upcoming Nokia N-Gage, Sony's recently announced PlayStation Portable, as well as improving mobile games.

BBC: Jo Twist

Tapwave has made little secret about its intention to compete head-to-head with Nokia's N-Gage device, which is set to debut next month, but which has received considerable negative buzz in the runup to release.

FORBES: Magazine Article

Nokia's N-gage mobile games business also suffered setbacks.

FORBES: Magazine Article

With its N-Gage wireless gaming platform, Nokia throws down a challenge to Nintendo's Game Boy.

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N-Gage project, insists that Nokia has a unique advantage: its understanding of mobile communications.

ECONOMIST: Mobile gaming

This summer Nokia (nyse: NOK - news - people ) released the N-Gage QD, a phone with a large color screen and built in control pad for gaming.

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From the promotional videos on its Web site, it's clear that Tapwave is gunning to compete against Finnish mobile-phone giant Nokia (nyse: NOK - news - people ), whose N-Gage mobile-phone and gaming device should hit the market in early October.

FORBES: Magazine Article