User interface for integrating applications on a mobile communication device

An apparatus for operating a mobile device, wherein said apparatus comprises:

• a processor, and memory storing instructions, that when executed cause the apparatus to:
• receive an instant messaging communication comprising text at the mobile device, the text to be displayed in a conversation user interface for an instant messaging application;
• detect an indicator of a group included in the text at the mobile device, the group corresponding to a pre-defined group of contacts in a contact list used by the instant messaging application;
• display the text in the conversation user interface for the instant messaging application and making the indicator selectable in the conversation user interface at the mobile device;
• highlight the selectable indicator in the displayed text of the conversation user interface of the instant messaging application at the mobile device;
• detect, at the mobile device, a selection of the selectable indicator;
• and
• in response to the selection of the selectable indicator, initiate a communication from within the instant messaging application with the pre-defined group of contacts, the communication associated with a calendar application.

A non-transitory computer readable medium comprising computer executable instructions for operating a mobile device, the computer executable instructions comprising instructions for:

• receiving an instant messaging communication comprising text at the mobile device, the text to be displayed in a conversation user interface for an instant messaging application;
• detecting an indicator of a group included in the text at the mobile device, the group corresponding to a pre-defined group of contacts in a contact list used by the instant messaging application;
• displaying the text in the conversation user interface for the instant messaging application and making the indicator selectable in the conversation user interface at the mobile device;
• highlighting the selectable indicator in the displayed text of the conversation user interface of the instant messaging application at the mobile device;
• detecting, at the mobile device, a selection of the selectable indicator;
• and
• in response to the selection of the selectable indicator, initiating a communication from within the instant messaging application with the pre-defined group of contacts, the communication associated with a calendar application.