I can confirm. This is because of the user-agent string. Add this to the end of ua-overrides.js file and you'll see gmail like it should be seen
"mail.google.com" : "Mozilla/5.0 (Ubuntu; Linux; Android 4.2.2) AppleWebKit/537.21 Mobile Safari/537.21",
Working on getting this integrated into the file but need to do more testing.
I can confirm. This is because of the user-agent string.
Add this to the end of ua-overrides.js file and you'll see gmail like it should be seen
"mail.google.com" : "Mozilla/5.0 (Ubuntu; Linux; Android 4.2.2) AppleWebKit/537.21 Mobile Safari/537.21",
Working on getting this integrated into the file but need to do more testing.