As more people play on smartphones, online casinos shifted to mobile-first...

https://star-wiki.win/index.php/What%E2%80%99s_the_Difference_Between_a_Huge_Game_Library_and_a_Usable_One%3F

As more people play on smartphones, online casinos shifted to mobile-first design, making games easy to find and quick to start. They focus on simple navigation and shorter sessions to match how users play on the go