After enduring months of scorn from Apple, Adobe Systems is set to begin a major effort to claim some of the mobile computing initiative for itself starting Monday night.

That's when the company plans to issue an all-but-finished beta of Flash Player 10.1, moving from demos and rhetoric to a more concrete answer to those who question the technology's relevance. Flash for Android phones will become final with Google's imminent release of Android 2.2, aka Froyo, and over coming months Flash 10.1 will spread to many other mobile operating systems.

"We're expecting really broad platform support over the next 12 to 18 months," said Anup Murarka, Adobe's director of technology strategy. "There may be a little bit of a slow start as these devices trickle out," he said, but a broader range expanding also to tablets, Netbooks, TVs, and set-top boxes will emerge for Christmas and at the Consumer Electronics Show in January.

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