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

https://fair-wiki.win/index.php/How_Do_Independent_Auditors_Test_RNG_on_Slots%3F

Phone slots are mobile-friendly casino games that use a random number generator (RNG) to ensure fair play. Before you start, check the return-to-player (RTP) rate and volatility to understand potential risks and rewards