A method for invoking a software application comprising: executing a first application on a user device; detecting a trigger event on the user device, the trigger event is non-specific and external to the first application and a second application; invoking the second application in response to the trigger event; sending metadata from the first application to the second application; and performing an action in the second application based at least partially on the metadata received from the first application, wherein, the first application and the second application are not operating system processes, and the second application is separate and independent from the first application.