The appearance of the app

No, the font can’t be changed.

This topic initially included a proposal to allow font name to be specified in the proposed font tags enhancement, but the initial post has since been edited to remove this part of the proposal (probably as a result of my comment):

This has now found its way onto the roadmap to allow voting, but I wouldn’t hold your breath, even if it gets lots of votes:

https://portal.productboard.com/blynk/c/50-text-formatting-tags?utm_medium=social&utm_source=portal_share

Obviously you can use the image widget, that you’ve discussed previously, to display an image with text, but probably not practical for what you have in mind.

Pete.