@alberto__segura May take a look at this later and maybe extend it to add a kitchen sink icon if required.
Problems with mobile
I'm using Lavender Theme on the latest master branch.
When using my mobile (tested iPhone 5s & 6),
Categories/threads don't always load, it's not a very fast/friendly experience. Most of the time you get stuck on the grey overlay (the loading bit..)
Only recently on the master branch it fixed the problem of not being able to login at all.
ideally could have some more development for mobile