Microsoft has updated its OneNote app for iPhone and iPad to version 2.1 that brings several improvements including, om proved Japanese typing responsiveness, Automatic list detection that lets you spend less time formatting your content and lots of bug fixes. The iPad app now has support for creating new SkyDrive notebooks and also now lets you add, rename and delete sections. The iPhone app is now less than half the size in download and installation size. OneNote for iPhone and iPad got a major update back in July that brought lot of new features.