OnAir, which provides in-flight mobile phone and data services for commercial airlines, says it's terminated its agreement with Ryanair. The companies had been working together for two years, with OnAir service available on 50 Ryanair aircraft for around 12 months. Typical prices were between €2.00 and €3.00 per minute to make and receive calls.

Ryanair wanted to expand deployment to its entire fleet but the two companies were unable to reach a mutual agreement.

Orange UK is following last week's launch of HMV Mobile Games with news of three new mobile gaming services. First is Playtomo, created as a white-label service by C4M and launched today by Orange. This allows customers to play free games on their mobile phones through social networking sites.

Next is Games Zone, a gaming service that launches on Wednesday 31st March. The £5 monthly subscription includes a choice of two games each month plus 20% off additional purchases.

Using a mobile web proxy to surf the web could reveal your mobile phone number. That's the warning from Collin Mulliner, a security researcher and PhD student at Berlin's Technische Universitat, who was speaking at last week's CanSecWest conference.

Some mobile networks use proxy servers to reformat web pages to fit on the smaller screens of 'non-smartphones'. The operator intercepts the customer's internet data, identifies the web site they want and then provides a 'friendlier' version of the chosen web site.

However, Mr Mulliner says a number of mobile operators are adding information that could reveal the customer's identity to the web site owner.

Nokia is buying Novarra, a Chicago-based company that produces mobile internet browsers for network operators and handset manufacturers. The two companies already work together, with Novarra browsers seen on a number of Nokia phones. The deal is expected to be completed by the end of June 2010.