In one or more embodiments, one or more methods and/or systems described can perform displaying, on a handheld device, multiple icons associated with multiple segments; receiving first user input indicating a first segment of the multiple segments; executing a first virtual machine associated with the first segment on the handheld device; executing a first application on the first virtual machine; receiving second user input indicating a second segment of the multiple segments; executing a second virtual machine associated with the second segment on the handheld device; and executing a second application on the second virtual machine. In one or more embodiments, one or more methods and/or systems described can further perform before executing the second virtual machine, receiving authentication information and determining that the user is authenticated. In one or more embodiments, the authentication information can include at least one of a user name, a password, and/or biometric information.