Gameloft has released an iPhone 4 update to its acclaimed Modern Combat: Sandstorm for the iPhone and iPod touch. Modern Combat: Sandstorm (iLounge Rating: A) is a first-person action-thriller where players must locate and annihilate a terrorist cell in a remote desert hotspot. Users play through 10 missions featuring detailed Middle Eastern environments and are provided with a wide range of authentic advanced weapons ranging from assault rifles to…