the lumia 800 device comes with four nokia-exclusive applications not included by the default windows phone os: nokia drive, a free turn-by-turn navigation system; nokia maps; nokia music, a free streaming music service and music store; and app highlights, a service suggesting software based on location and operator. in addition to these applications and services, microsoft added office 365, in which the user can edit documents, create spreadsheets, open powerpoint presentations, and even make onenote files. the files created can be stored on microsoft's skydrive cloud service, on the phone itself, and other areas.