You can change the tap area page forward/back in Reading setting.
If you are reading a book in RTL languages (Hebrew, Arbic...), and you want to swipe and tap page left to right, you need to change the page-progression to rtl in the book.
- Open the book with Sigil or Calibre>edit book.
- In .opf change the line "<spine toc="ncx">" to "<spine page-progression-direction="rtl" toc="ncx">"
It only work in Kepub format, so you can change the extension of the book to .kepub.epub, or use
Kobo Utilities in Calibre.