There is no straightforward answer to this. When you play real money casino on Android, you have to look out for the mobile variance of slots. This means how volatile or risky is the game. If the slot game is a high variant, then there is a lot of risks, and yet, all the more satisfying win is for sure. However, on the other hand, betting on low volatile slots may appear easy, but the thrill factor may be on the lower side.