I tried the Arimo font, one of the new Hebrew fonts on Google Fonts, on a website I’m developing. It shows fine on Chrome and Firefox, but doesn’t work at all on Internet Explorer and iOS.
On IE not text is shown, meaning the fallback font doesn’t get rendered.
On iOS the text is shown in Arial, the fallback font.
The issue is not related to Google but rather with how Pojo loads the font.
When loading the new Hebrew Google fonts, you need to add the query parameter subset=hebrew to the URL like so: