Hacking Homebrew app Yokai Watch 4 ++ Save Game Editor without Save Wizard for jailbroken PS4

goder2910 · May 8, 2021

Hello guy!

I just made an app that can modify Yokai Watch 4 ++ saves game that is created on Jailbroken PS4.

The main function is read and modify something as below :

- Money
- Gacha Coin
- Gacha 1 Star Coin
- Gacha 5 Star Coin
- Gacha Special Coin
- Gacha Amount Time
- Devil Gacha Coin
- Devil Orb (yokai buster)

※Save editor revision history※
V1.3.1: update GUI, small bug fixes, now support both PS4 and Switch platform.
V1.3 : add support (or a bug fixing) for modifying save game across all Physical PS4, Switch region and also Switch emulator like Ryujinx (Yuzu not confirm yet).
V1.2 : add support Devil Orb modification
V1.1 : add support Devil Gacha Coin modification
V1.0 : Initial version

※Because the save editor can support multi-platform, latest update thread will be moved to Nintendo Switch box as below※
https://gbatemp.net/threads/yokai-watch-4-save-game-editor-for-nintendo-switch-cfw.588344/

Step:
1. Use Save mounter to decrypt save data (Mount)
2. Use WinSCP to Copy UserData file from savedata0 folder to your PC
3. Use my app to modify data
4. Use WinSCP to copy modifed save data back to savedata0 folder
5. Unmount on Save mounter
-> Enjoy the modification.

Youtube video for detail tutorial
(sr for my bad english)

Hope you guys enjoy it and if you find bugs, let's me know ASAP
Thanks in advanced!

godreborn · May 8, 2021

I think more people use filezilla, so you can use that in lieu of winscp or use the ftp:// command in windows to connect without a client of some sort. I've tested ftp:// with the ps4, and it does work.

goder2910 · May 9, 2021

godreborn said:
I think more people use filezilla, so you can use that in lieu of winscp or use the ftp:// command in windows to connect without a client of some sort. I've tested ftp:// with the ps4, and it does work.

This is a first time that i hear about use ftp:// on PS4.
Thanks for your suggestion, i will try it

.
Have a nice day, my friend

goder2910 · May 23, 2021

- Added version 1.3 that support (or a bug fixing) for modifying save game across all Physical Switch region and also Switch emulator like Ryujinx (Yuzu not confirm yet).
- Added version 1.3.1 - Update GUI, fix small bugs and now support both Switch and PS4 platform.

Because now the save editor can support both platform PS4 and Switch, the future updates will be noticed on one thread as below (Nintendo Switch box)
https://gbatemp.net/threads/yokai-watch-4-save-game-editor-for-nintendo-switch-cfw.588344/

For who are using my save editor, please move to above thread to get the latest updates in the future.

Thanks!

DebianLoriX · May 23, 2021

godreborn said:
I think more people use filezilla, so you can use that in lieu of winscp or use the ftp:// command in windows to connect without a client of some sort. I've tested ftp:// with the ps4, and it does work.

you're absolutely right, I do it periodically

Hacking Homebrew app Yokai Watch 4 ++ Save Game Editor without Save Wizard for jailbroken PS4

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