I have been using
#Firefox also exclusively on all my laptops and lab computers both on
#Linux and
#Windows. Only make sense I would also use it or its derivatives on my
#Android phones too. Yes I am. I use
#IceRaven and
#Fennec on my phone, both come with browser extension support and are still receiving updates now and then. However still, one small issue bugs me. Although sync work for both browsers after I login my
#Mozilla account, meaning I can see all tabs and history and all across devices, sending a tab from one device to another barely works. I remember with my last phone it worked most of time, more then half I suppose, but with the phone I am using now, it never worked for both browsers. I might have to give vanilla firefox a try though, before I am sure.