A new mobile app, supporting hundreds of business applications has been launched by Optus. It claims that it is the first initiative from an Australian mobile carrier.

Symbian, Blackberry, Windows Mobile and Android are the four main supported platforms, other than iPhone. It supports applications that protect the user's files, track the expenses, and even list the things to do.

Ten megahertz of mobile spectrum from US technology company Qualcomm was recently bought by Optus, which it aims at using to deal with the vigorous growth in data services.

Apart from doubling the amount of airspace the Singapore-owned telecom major will have in the mobile-friendly 2100MHz band, the spectrum will also provide it further chances to conclude with Telstra, the company with the largest market share.

Following Technology major Apple's footsteps, and with the aim to give its rival Telstra a tough competition, Australian telecommunications giant Optus has introduced for its customers an online applications store, which is available for all its customers currently on 2G or 3G enabled mobile phones using Symbian, Android, BlackBerry, Windows and Java operating systems.