To create a folder simply long press and drag the app over another app you'd like to be in the same folder. You can then rename the folder and rearrange the apps in the folder and add other apps to the folder by repeating the process.
I have read on other forums that facial recognition was mia.
The 3 dots usually means more options. It functions like the menu key in Gingerbread. Only problem is its not always in the same spot. It's usually in the bottom or top right corner.