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Has anyone actually used Flash on a touchscreen, whether tablet or phone sized? It would appear that there would be major obstacles (e.g. how do you hover the "mouse" over something or get keyboard input for games) but I've never heard anyone complain about it so either it all just works beautifully or it simply doesn't exist yet.

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It's easy to program a Flash app to work with a touchscreen -- just limit your interactions to mouseDown, drag, mouseUp. But if an existing app relies on hover or keyboard, I can't see how you'd go about using it. Maybe if the screen were extremely sensitive, it could work like a Wacom: light contact "places" the mouse, heavier contact causes a mouseDown event. But that's not in the current technology.

I worked on a Flash EMAR app that was deployed on touchscreen tablet PCs. You don't need to worry about how to do mouse over unless your app needs mouse over support. As long as your app can work with click and double-click you are fine. Feedback from users was overwhelmingly positive, partly because it cut hours of paperwork every week, and partly because the UI was responsive and easy to use.

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