Guidelines: For BlackBerry writing applications, write supper Apps

Several major elements of supper apps:

Always-on Experience-app starts when the device is turned on, or runs in the background background.
Contextualized-Application and context or geographical relevance
Seamless integration with native apps and 3rd party apps-close integration with BlackBerry built-in applications/Third-party applications
Proactive, Notification-driven-real-time data driven
Social and connected-/im/blog connection with SNS community
Efficient and intelligent-easy to operate/only/save power

Original English information:

http://na.blackberry.com/eng/developers/started/super_apps.jsp