Apparatus, and an associated method, provides for selective downloading of an application program stored at a provider mobile terminal to a recipient mobile terminal. The application program includes indicia indicating costs for usage of the application program and the identity of an entity to whom charges accruing for use of the application program are to be credited. If monetary resources are determined to be available to the recipient mobile terminal for use of the application program, downloading of the application program to the recipient mobile terminal is effectuated. Thereafter, a connection is made to a payment account depository, such as by way of an Internet backbone, to effectuate electronic payment for use at the recipient mobile terminal of the application program.