1. A method comprising: a) obtaining a location of a wireless device, the wireless device being in communication with a mobile access point via a short range wireless connection; b) determining, using a computerized authentication system, whether the wireless device is authorized based on a previously registered association between a wireless device identifier associated with the wireless device and an application identifier associated with an application; c) approving a user to use the application using the computerized authentication system based on a predetermined location criterion related to one or more of the obtained wireless device location or a location of the mobile access point, when the wireless device is authorized; and d) producing an indication on one or more of the mobile access point or the wireless device that the user has been authenticated when the user was approved using the computerized authentication system, wherein the predetermined location criterion includes determining that the wireless device is within a predetermined distance of the mobile access point.