The Great Blue mobile slot is not for everyone. You need a heavy bank deposit and bet 10 to 25 coins to see the real return, especially since the low-return rate for this mobile billboard is 94.25%. This will shut down many players and they will be disappointed with the small wins that don't even cover the value of rotation. In other words, this game is really a long-term game. Best of all, even if it's one of Playtech's least imaginative slots, it still looks and plays perfectly on your mobile device or tablet, making the game very simple and allowing you to swipe down The reel is rotated.