Use the keywords in the name and description, localize your casino app in multiple languages, make creative screenshots. Think outside the box to find the niche for your game. You can make a themed slot machine simulator with cities like Vegas or Paris, sports, tv-series or movies, etc. To create an engaging gambling app, you should find your niche. You can find royalty-free square images at How to make Slot Machine App for Android: upload background, set the win rate, adjust starting money, choose buttons and objects, name your app and upload an icon.
Set up the win rate and the starting budget for players to make the game more challenging. Let your users spin the numbers or objects to get lucky and win virtual money. Make a gambling Casino simulating app with a slot machine. Make Slot Machine Simulator game app for Android without coding with free Game App Maker.