You'll need an Android OS tagged 2.x for it to work, and Mozilla suggests it's been tested the most on Google's own Nexus One. And as you can no doubt tell from the tell-tale finger-work pictured above, Fennec comes with full pinch-to-zoom support.
You'll probably run into a few issues but you get the general gist: Firefox Sync. Add-ons. Awesome Bar. Firefox. On Android.
Visual Task Switcher: It's sorta like a poor man's version of webOS "cards". It's not as pretty, but it gets the job done and looks cool enough (to me). Visual Task Switcher displays a little thumbnail of all open applications so users can easily switch apps and/or close apps. I like it because it let's me see everything my phone is running. $1.99 for full version, Free for ad-supported.
Shelves: If you're familiar with Delicious Library, Shelves is pretty much the same thing (but for your Android phone). It's an app that lets you manage your stuff (be it movies, books, music, clothes, video games, tools, etc) on a virtual bookshelf. You can import your stuff for virtual cataloging by either scanning the barcode, manually inputting the info or transferring from other sources like Delicious Library. Shelves also lets users mark off what they've loaned to friends so you can see which jokester of a buddy still has that DVD you let him borrow 2 years ago.
On My Way: It's an app by TeleNav that tells a person you're on the way. You'll have to set everything up so it'll notify the person but once you do it'll deliver up to three additional status messages while you're en route: whether you'll be late, when you're a pre-determined time away from the destination and when you're one minute from arriving. The whole point is so that you don't have to keep calling or texting while driving which is, well, safe and smart.
This is useful if you have an older phone and would like to make it run a little faster, or if you have a newer AMOLED phone with an unecessarily beastly processor and want to slow it down to save precious battery life.
You can also set profiles, so that SetCPU will adjust clock speed to whatever setting you choose. For example, you can set SetCPU to underclock processor speed when battery is under 50%. $1.99
Launch the app, and while it's active, it will text back anyone who tries to reach you with a pre-determined message. It doesn't, unfortunately, automatically detect when you're driving, so you have to manually set it on and off. But you can also use it for auto-responding during times when you don't want to be disturbed, like when you're at the movies, or taking a nap, or taking a nap while driving.
It's not exactly perfect, but it seems like the step in the right direction to prevent texting while driving.
StumbleUpon: For users who use StumbleUpon, you finally have an official app to feed your internet surfing desires. They've made it uber-easy to "stumble in" channels like Photos, News, Flickr and YouTube. And of course, you can share whatever you find through Facebook, Twitter, and e-mail.
There's only a tiny selection of the seabed included for your viewing so far, with the Monterery Bay Canyon area somehow captured by Google's... fleet of underwater cars. The app is only compatible with Android 2.1 and above-while users of the 2.2 OS update get Flash 10.1 features, like embedded videos of sea stuff, uploaded and sorted by the tool's new Explore the Ocean layer.