Checking upstream bugs https://bugzilla.gnome.org/show_bug.cgi?id=638670 seems an annoying issue with that option, even when it works the option generates first a left click event and then a right click one, which is not what you want...
** Bug watch added: GNOME Bug Tracker #678064 https://bugzilla.gnome.org/show_bug.cgi?id=678064 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mousetweaks in Ubuntu. https://bugs.launchpad.net/bugs/1071326 Title: No way to get quicklists, emulate right click Status in Ubuntu on the Nexus 7: Confirmed Status in “mousetweaks” package in Ubuntu: Confirmed Bug description: Image:20121025-1 Summary: There is currently no way to emulate a right click. Due to this, the user cannot currently use unity quicklists. I would expect a long press to emulate a right click To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-nexus7/+bug/1071326/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
