To open an application start Siri and say "open" or "launch" then the name of the application.
Open Applications With Siri Using OpenSiri Tweak
Posted on the 22 January 2012 by Skateroren @ProgramsAlive
OpenSiri is a tweak that adds more commands to Siri, but right now it only supports opening application. This tweak can be found on Cydia, if you dont have a jailbroken iPhone 4S click here.
To open an application start Siri and say "open" or "launch" then the name of the application.
To open an application start Siri and say "open" or "launch" then the name of the application.