You just bought Nexus 4 and you don't know anything about Android operating system, so I will guide you through literally first steps on this great phone.
Samsung Android devices such as Galaxy S2 or S3 come with a cool app called Kies Air, enabling you to connect via WiFi connection and manage them using a web browser.
iOS6 comes with a great new feature you can use to password lock an app or only a part of the app so you can hand over your iPhone to other people without worrying they will do or find something you don't want.
Creative Studio is a great and simple way to quickly edit the photos you shot with your Windows Phone 8 powered Nokia Lumia 920. You can choose from many attractive photo filters.
For those who just got the new LG flagship Android powered smartphone LG G2 and are not quite sure where to start, here is the very basic what to do after I turn the phone on tutorial.