The number one application for the Nokia 5800 is Nokia Messaging, with this wonderful application you will get the best E-Mail experience on your Nokia N97 or Nokia 5800. It is as complete as a desktop email client and completely replaces the built-in email client on the 5800. Nokia Messaging allows you to see and use every function of your email account, like sent items, a specific archive etc… Nokia Messaging also supports hotmail, which was unsupported by Nokia devices for many years. To install Nokia Messaging just go here: Nokia Messaging make sure to read all the instructions because its a little bit tricky to install.