Rewards and Variety in Games. Another important thing to think about is the range of games & activities available on the app. There will be a wide real money slots 3k.toprange of games to pick from, so you're sure to find something that suits your interests and ability level. Take into account the app's payout procedures & incentive structure as well. While some apps give cash rewards, others might give out gift cards, merchandise, or other types of rewards.