This looks pretty nice !
I think a search function would be really useful (I know it's already been suggested but I think it is currently the best feature that could come to this)
The save file has been updated to include meta.bin file as well. Extracted using JKSV. Put the .zip file in the sdcard:/JKSV/Demon Slayer 2 folder (if its not, you should open the game at least once first) and then go to JKSV and restore the save...
This looks pretty nice ! I think a search function would be really useful (I know it's already been suggested but I think it is currently the best feature that could come to this)