Mozilla's been pretty good about keeping the mobile version of its ever-popular Firefox browser up to date (both with the current beta and with the old Fennec Alpha), and it looks like they have every intention to continue that trend. Just today, the third beta of Firefox 4 went live in the Android Market, bringing a number of minor additions along with it:
When I visited Mozilla's offices about 6 months ago, I saw a mobile testing station which included about 20-30 different phones lounging around, with their chargers plugged in. I knew something serious was coming soon. There were rumors about Firefox for Mobile for a while but nothing to really show for it.