This is a guest post by Aseem Kishore, a technology enthusiast and lead blogger for Online-Tech-Tips.

Got an iPhone? What about a Treo? Or maybe you’re in love with your Blackberry? Whatever phone you may have, it’s becoming more and more common to see people with phones that can access the Internet, play video, download music, and do a lot more.

However, most cell phone companies are not necessarily giving you the best software and services for your phone. If you’re looking for some cool mobile phone apps or mobile services that are free and really useful, here are ten worth checking out.

MShopper

MShopper is a mobile phone application that lets you quickly find the best bargain deals for any product right from your cell phone. It’s free, very fast, convenient, and can be accessed while you’re window shopping. You can also purchase items once you find a good deal or email the info to a friend.

The fact that Google unveiled a new user interface today for its iPhone Web apps is noteworthy but hardly significant. What is interesting is the subtle shift going on behind the scenes.

Vic Gundotra, a vice president of engineering at Google, told CNet that — as a result of lots of people getting iPhones for Christmas presents — the number of queries on Google search from iPhones surpassed the number of queries from Symbian-based phones for the first time.

Think about it. Symbian is the market leader, used on phones from Nokia (the world’s No. 1 handset manufacturer), Motorola, Samsung, and Sony Ericsson, among others. The iPhone’s user base is comparatively  teeny-tiny since the phone’s introduction last June.

Of course the “Christmas crossover”, as Google calls it, lasted only a few days, but as CNet rightfully notes,“It shows the impact the iPhone is having on the telecommunications industry and provides a glimpse into its future market potential on the Web.”

“It’s about usage, not just units,” Gundotra said in an interview with CNet. “The data proves that people are using the browser on the iPhone.”

Every now and then, on rare occasions, it’s always good to check in and see what Mom is doing on her cell phone. Mom, being in her 70s, isn’t the usual mobile user, so when she does something different it catches my eye.

This summer, Mom complained vehemently about the iPhone, saying that it was too expensive, and who wanted to check their email and surf the Web on a small phone. (It was easier not to argue.) Anyway, Mom did say in passing that the only thing she used the mobile Web for was to check sports scores.

Say what?

Since then, I’ve noticed more and more people using their cell phones to check schedules and sports scores, review standings, and look up statistics, even when a Internet-connected computer is at arm’s length. AdvertisingAge noticed this, too, as it just reported that this season three times more football fans hit ESPN’s mobile site than it did its PC pages.

I don’t get the Sony Mylo, but then again, I’m not a 14-year-old.

Sony introduced at CES 2008 a successor to the first Mylo called the Mylo COM-2, which addresses many shortcomings of its predecessor released in September 2006. It now supports the most popular messaging program in the U.S., AOL Instant Messenger, and it can playback Flash movies, making YouTube accessible.

Mylo COM-2 (see it in action via ubergizmo.com) will go on sale this month and is expected to cost about $300. Billed as a “personal communicator”, it still has a slide-out keyboard and Wi-Fi connectivity, but the screen resolution has been improved to 800 by 480 pixels and it includes a 1.3 megapixel camera.

But no phone.