A method for enabling engagement between a first application on a device and a set of contacts associated with a second application on the device, including: receiving, at the first application, an authentication token from the second application, wherein the authentication token is configured for providing an authentication pass to a server when delivered thereto by the first application, thereby allowing the first application access to a set of messaging functionalities available at the server; delivering the authentication token to the server; upon the authentication token having been verified by the server, connecting, using a communication platform, to the server, wherein the communication platform includes communication functionalities configured for enabling communication with other devices; and communicating with contacts of a set of contacts associated with the second application using, via the communication platform, at least one messaging functionality of the set of messaging functionalities.