Slowy, having a company phone either means you have one of those horrible Blackberries or iPhones (poor soul), or it's Android - which is unlikely.
I know I'm starting to bang on a bit here, but as Les suggested, you can pickup a Nexus 7 tablet for $299. Press the icon for the navigation app with your index finger and from there it's the same as a dedicated unit.
Is your son playing BF3 on xbox? Grab a headset and jump in a squad with some of his mates, that's when the real fun starts.