You're referring to the save data for Grim Soul, a popular mobile game. Here are some useful pieces of information:
: For iOS devices, the save data is stored in the following location: var/mobile/Applications/com.grimsoul.game/Documents/ grim soul save data
: For Android devices, the save data is usually stored in the following location: Android/data/com.grimsoul.game/files/ You're referring to the save data for Grim