Regional Containers have recently launched their Employee Community which is based off Tabs + Visualforce.

Android users should download the Salesforce1 app and access the community through the Salesforce1 switcher. iOS usersshould navigate to the Community URL via the browser as this feature is not support in the Android version of Salesforce1

Navigate to the community URL in the browser and a mobile experience will be automatically rendered

All users should access a Visualforce + Tabs community via a Desktop browser only

Android & iOS users should download the Salesforce1 app and access the community through the Salesforce1 switcher

IOS users should download the Salesforce1 app and access the community through the Salesforce1 switcher. Android users should navigate to the Community URL via the browser as this feature is not support in the Android version of Salesforce1