The gap between the pages is way too wide for that. In the digital age, most full page spreads in manga are much better viewed on a single landscape screen that is comparable to an open book in size and format. Even if there is a need for a gap between both panels, you can easily add one without needing two screens.
It could be good for manga. Some have great full page spreads that lose a lot of impact viewing one at a time.
The gap between the pages is way too wide for that. In the digital age, most full page spreads in manga are much better viewed on a single landscape screen that is comparable to an open book in size and format. Even if there is a need for a gap between both panels, you can easily add one without needing two screens.