The subject disclosure pertains to systems and methods for providing an improved user interface for mobile devices. Access to data and services from multiple software applications can be provided through a group or list of items. Each group or list can include multiple items, which can be associated with data or tasks from multiple applications. The set of groups of items can be both customizable and extensible to allow users to locate and utilize data and tasks relevant to the particular user. The set of item groups can provide users with a filtered view of content available through the mobile device, enhancing access to subset of data and tasks available on the mobile device.