Nathan Vautier, managing director of Sony Ericsson UK and Ireland, is reported to be leaving his job in the next few months.
His next role is "not in direct competition with Sony Ericsson", according to the company.
Research from Nielsen says games are (still) the most popular app category, with 64% of app downloaders having used them in the last month. Next were weather apps, followed by social networking.
The survey contacted people in the USA who'd downloaded an app in the previous 30 days.
Processor company VIA Technologies has agreed to sell its share in S3 Graphics to HTC Corporation.
HTC is paying $300 million for the deal; VIA will receive $147 million and WTI Investment International will receive $153 million.
Hot on the heels of this month's changes to international 'roaming' charges - the cost of using a mobile phone when abroad - comes a new proposal from the European Commission. The new regulations, if voted into law, would allow customers to sign up for a separate roaming contract on their existing mobile phone number from July 2014.
In addition, there'd be a further reduction to maximum call costs and SMS costs in Europe, along with a new cap on the cost of using mobile data when abroad.
The latest quarterly figures from comScore show that Samsung is the top handset manufacturer in the USA with 24.8% market share while Android is the most-popular smartphone platform with 38.1% market share.
Almost a third of Americans now have smartphones, an 11% increase from the previous three-month period.