Not exact matches
Simple Comic Viewer:
Supports zip, rar, cbr, cbz,
jpg, png, gif, bmp; Requires Android 2.1 or higher; Cost Free
The
supported formats include include the industry standard epub, Adobe PDF, MS office (doc, docx, ppt, pptx, xls, xlsx), hwp, TXT, image (bmp,
jpg, png, gif) and MP3 files.
TIViewer (comic & text viewer):
Supports zip (
jpg, bmp, gif, png), txt; Requires Android 2.1 or higher; Cost Free
Since you say that most eBook readers do not
support font embedding, then it seems the only way I can publish this as an ebook (it is about 26 pages long) is to handle each page as a
jpg, including the text, rather than as text (because the Yoruba text uses orthography that needs a particular font)?
Storyago
supports all popular image formats such as
jpg, png, gif or webp but also RAW image formats.
The following formats are
supported: png,
jpg.