In the main screen under current groups you will see all avilable groups. By clicking on one of the groups, one can enter in to the specific group area.

You can also create a new group in the "Create Group" button, or see the group in list by the "Group List" button.

The prefernce settings are in the uper-right corner, where you can edit you proflie, change passward or logout from ekkli.

You can change the size of the groups by the Zoom lever, on the right side of the screen.