Casino game thumbnails should behave like profile pictures because both rely on...

https://touch-wiki.win/index.php/How_Do_I_Design_a_Thumbnail_That_Players_Can_Find_Again_Later%3F

Casino game thumbnails should behave like profile pictures because both rely on grabbing attention in small spaces. On small screens, a single focal point helps players quickly identify the game. High contrast ensures icons pop against busy backgrounds