Isekai:Slow Life

"We collect other information automatically when You use our products, including: IP address; Mobile and other hardware or device identifiers; Browser information, including your browser type and the language You prefer; Device event information, including crash reports, request and referral URL's and system activity details; Design events used to track your behavior in the game, which can refer to any aspect of the game's design, including, but not limited to, level or character design, bonuses, social interactions, etc."

MARS collects hardware identifiers, device information, and granular behavioral tracking covering virtually every aspect of in-game activity, going well beyond what's needed for basic game functionality.