Abstract: A method, computer program product, and device provide a rapid response to a request to launch an application. The device includes a memory manager application, a memory, and a processor. The memory manager application is configured to receive a request to launch an application; to switch to the application, if the application is open; if the application is not open, to determine if sufficient memory is available to launch the application; if the application is not open and sufficient memory is available, to launch the application; if sufficient memory is not available, to identify a lowest ranking open application from one or more open application using a lowest usage ranking; and if sufficient memory is not available, to close the lowest ranking open application.