Open the Settings app of your Android device. Navigate to Digital Wellbeing & parental control and open it. On the new page, click on Dashboard. Navigate to the app you want to block.

This is called self-exclusion. It means you will be refused service from these venues and websites. Gambling businesses must offer this option by law. If you think self-exclusion could work for you, make sure you exclude yourself from all the places where you may be tempted to gamble.