Confirm means that the text has already been checked by the application to be correct, but is asking the user for confirmation.
The confirmation text itself seems to be corrupted though, this needs to be investigated.
Fixes the software keyboard in Famicom Detective Club: The Missing Heir
Default implementation will return "yuzu" for any string. GUI clients (or CLI) can implement the Frontend::SoftwareKeyboardApplet class and register an instance to provide functionality.