Peep this:
Tapatalk - iPhone Android Nokia forum app for vBulletin and phpBB
I think it would increase forum activity. You just need to install the plugin into vBulletin, by the looks of it.
Tapatalk - iPhone Android Nokia forum app for vBulletin and phpBB
I think it would increase forum activity. You just need to install the plugin into vBulletin, by the looks of it.