If you want total control over your save file (or if Google Play Games fails), you can manually back up the save file.
: To play on a new terminal, log into the same Google Play account and select "Load Backup" from the title screen.
Instead, the game saves data on your device's internal storage. Save Data Monster Hunter Stories Android
Select whether to back up your primary or your Autosave file. Loading on a New Device :
On the title screen, select the "Backup" or "Load Backup" option instead of starting a new game. If you want total control over your save
The official way to secure your data for device transfers or factory resets is through the built-in system, which syncs with your Google Play Games account. To Create a Backup: Open the game and select from the title menu. Create Backup Select whether you want to back up your Autosave Data
If your phone is rooted, you can use or Titanium Backup (legacy) to back up the app's data directly. The save file path is: /data/data/com.capcom.mhssp/files/savedata Select whether to back up your primary or your Autosave file
This works for Samsung, Pixel, and most modern Android phones, but is less reliable than Method 1.