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Mall tours were a thing and like most other events, were not isolated to 1 place in the country (from a US perspective)
They were both for the game and TCG, to promote a mythical pokemon giveaway or other things. Most of them took place inside the mall itself (though one I've been to was in the parking lot), with sectioned-off areas for tournaments and game demos.
The malls were packed, more than usual.
Book stores, card/comic shops, and Toys R Us also had weekly events to play. Some had promo cards you could get.
I was home schooled and this was the only socialization for me