It's a day for dual-core mobile chips. Not only has LG announced its 1GHz NVIDIA chip but Samsung has introduced a 1GHz ARM CORTEX dual-core processor. It's codenamed 'Orion' and – like its rival – supports 1080p full HD video and can deliver five times the 3D graphics performance of previous processors.

GetJar, the world’s second-largest mobile application store, has appointed former Microsoft man James Mooney to head a new UK-based sales team. James spent six years managing the Agency Sales Business at Microsoft Advertising, building one of the leading digital sales organisations in the UK.

LG Electronics says it'll be using the NVIDIA Tegra 2 mobile processor in its Optimus Series smartphones later this year. The Tegra 2 promises to be the first mobile dual-core CPU available in a mobile phone, offering 1080p HD video playback, 3D graphics and up to 5x faster gaming performance over single core processors running at 1 GHz.

Everything Everywhere, the Deutsche Telekom and France Telecom partnership that runs T-Mobile and Orange in the UK, says it'll give its customers access to both networks at no extra cost from next month.

From 5th October, the combined customer base of Orange and T-Mobile in the UK, which is around 30 million customers, will be able to sign-up for access to both networks.

As Ramadan - the Islamic month of fasting and praying – draws to a close, there are reports from Saudi Arabia that ringtones and mobile phone conversations are starting to disturb pilgrims at the Grand Mosque. A number of visitors have called for the installation of mobile phone jamming devices.