It looks as though the market for mobile payments is getting increasingly competitive.

Stockholm-based iZettle, which lets iPhone and iPad users accept payment from ‘chip and PIN’ cards via a plug-in card reader, has just eliminated its fixed transaction fee of 15 Euro cents per transaction. Consumers taking payments on their iOS device now just pay 2.75% of MasterCard, Visa or Diners Club card transactions or 3.75% of American Express transactions.

People with tablets shop more on their devices than PC and smartphone users, according to new research from mobile advertising network InMobi and mobile marketing agency Mobext.

The new report, entitled ‘The Role of Tablets in the Consumer Sales Journey’, contacted more than 8,400 people worldwide. It found that 69% of tablet users had shopped via their device in the last 30 days.

In-car navigation provider TomTom has announced that Research In Motion is using TomTom’s data for its BlackBerry Traffic, BlackBerry Maps and BlackBerry Locate services. It means that the BlackBerry Traffic application now offers real-time road information from TomTom HD Traffic.

In addition, developers can include TomTom mapping and traffic information in their own apps.

Sony Corporation has announced its financial results for the financial year until 31st March 2012.

Sales fell by 9.6% year-on-year to operating revenue ¥6,493.2 billion, with the company making a net loss of ¥456.7 billion (£3.55 billion). It’s forecasting a return to profit in the current year.

The European Union’s new charges for mobile ‘roaming’ when abroad have been agreed by the European parliament and will become law from 1st July 2012. Overall, consumers are expected to save 75% across roaming calls, text messages and data compared with 2007 prices.

As well as reduced costs for voice calls and SMS messages, new price caps for mobile data will be introduced.