Please switch to ON by 'Preview Version' switch and select Preview 1 or 2.
Notes:
It's better to select Preview 1 than Preview 2 when it detects Japanese text in an image.

Press an enter key after when your detected text by ocr is copied in source text area. Because, those translation website protect them-self from some undesirable programs.

When you operation on touch panel;
Bing: Tap on source text area.
Other web site: Press an enter key using software keyboard.

Please set the information of the website on 'Translation Service' page in app.
If you know input and output parameter for querySelector method, enter the value. Keep a blank in those item fields if you don't know about querySelector and try.

Maybe, it will work.

White balance, Zoom, Touch to focus need to be supported on your device. Many tablet devices have them, but almost of web camera for desktop or laptop pc isn't probably supported.

Yes, We are preparing for it to be able to provide in-App by May.
02.28.2021