The following is a complete list of launcher and chooser provided by Windows Phone 7:
Launcher
·Emailcomposetask-Write New emails
·Marketplacedetailtask-Start marketplace and display the detailed information of the specified application.
·Marketplacehubtask-Start marketplace.
·Marketplacereviewtask-Start marketplace to provide comments for the current application.
·Marketplacesearchtask-Start marketplace and search related content
·Mediaplayerlauncher-Start the media player.
·Phonecalltask-Call a specified number
·Saveemailaddresstask-Write New emails
·Savephonenumbertask-Save the phone number
·Searchtask-Start the Webpage Search Application
·Smscomposetask-Write New Short Messages
·Webbrowsertask-You can start the web browser to the specified URL.
Choosers
·Emailaddresschoosertask-Select an email address from the contact list.
·Cameracapturetask-Open the camera application to take photos.
·Phonenumberchoosertask-Select a phone number from the contact list.
·Photochoosertask-Select an image from picture gallery
·Contacts-Search for contacts by name, email address, and phone number.
·Appointments-Search for user schedules within a period of time