This feature was added in version 1.2.
Hiding a tab
Press and hold the tab to open the "Edit Group" screen. Change the "Hide Tab" to switch on.
When you are finished editing the group, the tab will be hidden.
To show a hidden tab
To see the hidden tab again, tap the Settings button on the lower left and choose "Groups" ("Search" and "Unclassified" are in the "Default Tabs" menu).
This displays a list of groups. Groups that are hidden are grayed out. Select the group you want to see again and turn off the "Hide Tab" switch.
Tab will be displayed again.