The following reader apps don't seem able to handle the current way of exporting formulae:
- Moon+Reader
- Koreader
The following do:
- Calibre desktop viewer
- Dropbox
Perhaps it would be more portable to the less capable ereader engines to use PNG images rather than SVG?
Example: the brace from https://en.wikisource.org/wiki/Poet_Lore/Volume_34/Number_1/Raduz_and_Mahulena#2
Moon+Reader initial view:
Moon+Reader "HTML correct" view:
Koreader: