I have been using an Android smartphone for a few years now and have become very comfortable with its operation and capabilities. The primary functions I used it for include email from several accounts, multiple Twitter accounts, Facebook, GPS navigation, pictures, and music. Android and my LG Optimus is a combination proven to be a very competent performer in all these areas, so let me compare it to the Lumia in these chief-to-me functions.
Once the email accounts are set up, you will have a "smart tile" on the home screen for each account. Each one will have a counter on it if you have new, unread mail. Tapping the tile takes you to the inbox for that account.
One downside to the email accounts. When I tried to set up IMAP access for my corporate email from my "day job," I couldn't. The certificate is expired on the server so Windows Phone absolutely refuses to connect. Android gives you the choice to accept the certificate anyway, but not so in Windows Phone, so I can not get my corporate mail on my phone. This is a conversation that could go in many directions, but for me, the bottom line is that I know the system and I trust it, so I would appreciate the freedom to permanently accept the cert and get my mail. Kind of a bummer there.
Unfortunately there is no Tweetdeck for Windows Phone. I sure wish there was because none of the Twitter apps for Windows phone have given me that much power in a single place. I truly miss Tweetdeck on my phone. I still have it on my PC and Tablet, but I don't always want to bust out those larger devices.
There is native Twitter support for a single account. Configuring this will integrate Twitter info into your "Me" tile on the home screen. (More about tiles a little later.) This native support will also allow you to tweet and post to Facebook at the same time, however it doesn't appear to show you tweets.
I have looked at some of the Twitter apps and settled on one called "Rowi." The latest version allows me to use multiple accounts, but not as fluidly as tweetdeck, adn no FB integration. It also does not notify me of new activity unless it's an @ mention, so the "live tile" that is supposed to let you see everything that's happening at a glance doesn't. We might still be beta testing. :-) You can add columns, but only from the same account. If I want to see what's happening on my business Twitter feed, I have to manually switch to that account and vice versa.
GPS Navigation
On Windows Phone there are a number of ways to do GPS navigation. Windows Phone integrates with Bing Maps to show your current location, traffic, etc. and you can search for a location and get driving directions from your current location. Getting to the point where the map route and directions are displayed is nowhere near as intuitive as Google Nav, but after time, I'm sure I'll figure it out.But the integrated Maps app is not my favorite nav app. Nokia offers "Nokia Drive" which is more akin to in-car GPS routing devices. You can select 2d or 3d maps, day or night color schemes (no automatic switch to night colors at sunset tho, like Google Nav.). The main map displays your speed and there is provision for excessive speed warnings if you want them. You can also select to have the display show you elapsed time or distance traveled. It's a nice app, and it's free. You can download the entire country map onto your phone, so when you drive to the boonies and fall off the network, you can still see where you're going. It was kind of unnerving for me the first time I was doing business on the Arkansas rice plains and Goggle Nav needed to update but there was no network. I was wishing I had printed my route before I left. Lesson learned and no harm done, but having the entire map with you is nice.
AT&T also offers a navigation app, but it's a pay app, and with these two sufficient free apps, I thought it quite unnecessary.
Pictures
This is perhaps the most disappointing part of the Lumia. It just sucks, in my opinion. When I'm shooting pics in "auto" mode, it should be automatic, clear, crisp, and rich, especially with the hype about this 8Mp Carl Zeiss camera. Unfortunately my shots always seem to have more blur and noise in them than my android phone's camera. Maybe I need to mess with the settings, but in "auto" it should just work, unless I misunderstand "auto." You can see several side-by-side photos in a c|Net shootout between the Nokia and iPhone at this link.Music
What can you say about music. Doesn't everything play music well? Probably, but what I really like about Windows Phone is the option to get a Zune Music Pass. This is something you can buy from Microsoft and it allows you to search for and listen to unlimited music as long as your subscription is current. You can download music to your phone and sync it to your media center at home. It really broadens my horizons in the realm of music. Granted, it's an extra cost and technically not part of the phone. The phone does have a ridiculous capacity for your MP3's etc, and includes an FM stereo tuner that works great.Home Screen
The Windows Phone home screen consists of several "Live Tiles" that you can move, add, delete, and configure. They flip and twist to tell you that a friend posted a new picture, someone commented on something. They scroll through your photos to provide an ever-changing scene. They can show you the weather. The possibilities are endless. You can create a group, add contacts to that group, and pin a tile for that group to the home screen. That tile will then keep you up-to-date on what the people in that group are posting on social media, and (and I find this really useful) you can click on the groups tile and send an SMS or email to all the members in one action. It's very handy for family or for a group of co-workers at a convention, etc. Tiles can be just a shortcut to an app (like OneNote) or they can convey information. The more information, the better, in my opinion, but I'm not sure we have fully arrived at the end of the smartphone beta test. As the platform matures, I'm sure we'll see better use of the live tile functionality, and I'm looking forward to that.Summary
I like the Lumia, but I think there is a lot of room for growth. I can't really blame Nokia or Microsoft for immaturity in the marketplace. I'm sure app offerings will broaden and improve with time, as will the OS. Hopefully soon I will be able to decide for myself when the wireless is turned off or on instead of the phone deciding for me. Hopefully app developers will be able to incorporate more into the live tiles that aren't quite stellar. Hopefully the nut between the keyboard and chair can get acclimated to the new way of doing things.I would say I am satisfied, but anticipating greater things, and I would recommend it to someone who is using a 4 year old phone, at a point in their contract where they can upgrade, or looking for their first smartphone.