ProtonAll Proton apps (including @simplelogin) now support Material icons!
(Thanks to Alfondorion on our subreddit for the meme: https://www.reddit.com/r/ProtonMail/comments/1btyihm/finally/ )
Dawn Tåke 🌙 
@protonprivacy
Nice. That was one of my minor gripes. It stuck out next to K-9 Mail and Gmail.
Once I get a phone that cam support it again, I'll check it put.