Developers of mobile-phone software programs are now experiencing something that would sound much alike of a nightmare. The online market of “app stores” for such software programs is full of companies which wish to obtain the best platform to target.

The business of writing programs for mobile phones has turned into something very big, so the developers would have to think for many different programs to invent as to keep the clients interested and entertained. The online market for these kinds of software applications is flourishing at the moment. The Mobile World Congress in Barcelona has hosted companies like Nokia or Microsoft, the French wireless carrier Orange and Telekom from Germany, which are eager to develop the best marketplaces for mobile-phones applications.

Also, the companies are willing to sell everything from the simple applications which inform you about the weather to the most complex navigation ones, which are capable of telling you the exact place of your position or to lead you to the right direction.

A lot of companies which develop mobile-phones have discovered that such online marketplaces represent the best and most important thing that could be the key through which the companies would make handsets more interesting while gaining money too. Olli-Pekka Kallasvuo, the Chief Executive from Nokia, stated that creating a single device, as it is the mobile phone alone, isn’t attractive anymore. He added that more and more customers are getting interested in the combination of that single device and the class of services.

The difficult thing for the developers of mobile-phones software programs is that the companies which want to develop such a system use very different operating systems. So the handset brands just can’t look or act alike because of this specific distinction. For example, a program which would allow its buyer to watch football games would have to be built differently for Apple iPhones, Nokia phones, or BlackBerrys.

The mobile-phone industry didn’t seem to work as easy as it had been with the PC universe of Microsoft Windows. This previous industry works differently, because of the several companies which all have success in their own ways. So the operating systems aren’t alike, like it happened with Microsoft Windows. And the mobile-phones operating systems are multiplying even faster nowadays.

On one hand, Google works very hard to make a lot of success with its Android operating system, which is due to appear this year on a bunch of mobile phones from Deutsche Telekom's T-Mobile unit and the Taiwanese handset maker HTC. Considering the fact that all the company’s efforts and finances go toward the Android, the developers of the operating system must be at hand all the time and must build something very clever and attractive.

Microsoft, on the other hand, is just at its start with the mobile phones business. He is only a minor player with just 12% of the smartphone market. Yet, the company has pushed its efforts toward the wireless world as well and Steve Ballmer, the CEO at Microsoft, went to Barcelona as to present the new version of Windows Mobile and the plans for the online applications store.