Look at the panel of Cherry Love slots. There is a gamble button which is not active. Any your win on Cherry Love slots(excepting wins during free spins and during the auto spins) activates the gamble button. Click it to start the gamble feature on the second screen. The gamble is your chance to double last win.
The Bank field show current win. To double it you can click Red or Black button.
The Double To field show the cash which you win in gamble.
Click Collect button to return to the main game.
Note! The gamble game is disabled during free spins bonus game and while the auto spins are actived.