A non-transitory computer-readable medium includes instructions that when executed by a processor cause the processor to perform a method for selecting available assignments for users based on mobile computing devices of the user. The method includes receiving an indication of at least one parameter of a mobile computing device associated with a user; accessing a plurality of available assignments, each assignment of the plurality of available assignments involving use of at least one mobile computing device; based on the at least one parameter of the mobile computing device associated with the user, selecting a subset of the plurality of available assignments; and offering the selected subset of the plurality of available assignments to the user.