The most relevant example of this for the games industry is probably Steam’s refund policy. They allow you to refund a game if you bought it less than 2 weeks ago and have less than 2 hours playtime recorded.
This is their policy for all users, but was a direct result of an Australian consumer watchdog lawsuit [0].
[0] https://www.accc.gov.au/media-release/valve-to-pay-3-million...
Counter-example to this would be 3rd-party app stores on iOS, which are only enabled in the EU, Japan and more recently in Brazil (maybe I'm missing some).
Legislation in one market didn't impact the state of things in the others, and some countries get screwed over.