Yes, an example is the .io games, which kids love to play, because they just go to the browser and load the page and they are playing with other kids, just like

Yes, an example is the .io games, which kids love to play, because they just go to the browser and load the page and they are playing with other kids, just like that. No installation, no setup, no network debugging, etc. These are simple games, but more advanced games would also benefit from nearly frictionless entry to the game.