The Vodafone Foundation has agreed a three-year partnership with with disaster relief agency Télécoms Sans Frontières. TSF specialises in bringing wireless communications to affected areas, helping humanitarian relief agencies coordinate their efforts and enabling displaced families to call their loved ones.

As well as giving TSF €1 million towards its costs, Vodafone will also provide the agency with equipment and technical support in emergency situations.

Mark Bridge writes:

This week has been dominated by the media frenzy that is Mobile World Congress. James Rosewell and I were at MWC for all four days… but even a podcast every day wasn't enough to include all the news, so expect more reports from us next week.

Research In Motion and Telefonica have announced plans to introduce integrated carrier billing to BlackBerry App World. This will allow Telefonica customers around the world to purchase apps from BlackBerry App World and charge them to their monthly bill.

Customers will also be able to add in-app purchases of digital goods to their monthly bill.

Orange UK has launched a contactless prepaid MasterCard card called Orange Cash. The card, which costs £5, can be preloaded with cash and used at contactless or conventional retailers in the UK and abroad.

It's been developed for Orange by prepaid services company PrePay Solutions.

Acer - currently claiming the world no.2 spot for PC and notebook sales - has revealed new tablet devices and a new smartphone this week.

The Acer ICONIA SMART promises a 4.8-inch 1024x480 widescreen and an 8-megapixel camera. The device will run Android 2.3 Gingerbread on a Qualcomm 1GHz processor. UK availability is expected from May 2011.