If you started your journey in the "Monster Hunter Stories: The Adventure Begins" demo, you can carry your progress over to the full game. Starting Out|Monster Hunter Stories Official Web Manual
Unless you rooted your phone and used a tool like Titanium Backup (rare on modern Android), the data is gone. Android securely wipes an app’s private folder upon uninstallation. Save Data Monster Hunter Stories Android
: Select Backup on the title screen, then Load Backup . Confirm the overwrite to pull your progress from the cloud. Manual Save Data Locations (Advanced) If you started your journey in the "Monster