Make sure you have installed the latest game version of Candy Crush Jelly Saga from Google Play Store or App Store.
These are links to download the game:
Open Xmodgames App from Homescreen.
Find Candy Crush Jelly Saga in Mod Page.
After entering the entry, then install or update the mod first.
Click to launch the game.
At the right edge of screen, you will see a tiny robot (the floating window). Tap on it to call out the control panel.
Tap on 'Xmod' to mod.
Switch ON Unlimited Lives to use it.
Lives will be always full in Candy Crush Jelly Now!
Enjoy & beat the Jelly Queen!