Phone slots are mobile-friendly casino games that use a random number generator...

https://wiki-nest.win/index.php/Is_96_Percent_RTP_Good_for_Slots%3F_A_Clear_Guide_to_Slot_Payouts_and_Fairness

Phone slots are mobile-friendly casino games that use a random number generator (RNG) to ensure fair results. Before playing, check the return-to-player (RTP) rate and volatility to understand your chances and how often payouts occur