I'm no expert , but I can assume that Touchscreens arren't DirectInput, which on Windows is what MAME uses for inputs. Thus without writing new code into the Input system, it's not possible to support them.
Then again, I'm a n00b for this stuff so I could be very wrong. *shrug*
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On a quest for Digital 573 and Dancing Stage EuroMix 2
By gods I've found it!
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