((better)): Tap Ninja Save Editor

The Daimyo froze. For a second, nothing happened. Then the ninja mascot—the cheerful one from the title screen—appeared beside the Daimyo. The ninja looked at Kai, then at the Daimyo, and shrugged.

While there is no official "deep feature" for a save editor in Tap Ninja

If the file appears as binary data (unreadable text), tools like the XVI32 Hex Editor can be used to manually overwrite specific binary values.