Receive a first device identifier from a first computing device; determine whether the first device identifier matches the second device identifier stored in a database at the second computing device; locate first user data associated with the first device identifier in the database of the second computing device based on a match; transmit the first user data to the first computing device based on a location of the first user data associated with the first device identifier; select an application to automatically launch on the first computing device based on application information within the first user data; update a user data list with the first user data, wherein the user data list is associated with the application and is stored at the second computing device; and launch the application on the first computing device, wherein the application uses second user data determined from the user data list.