, maybe others will have another way.
Yes there is another way.
Ok from your home page,
Go to settings
Then to LANGUAGE AND INPUT
now, first make sure the GOOGLE VOICE TYPING is checked.
Click the "settings" icon, which is to the right of the SAMSUNG KEYBOARD...(NOT the one to the right of GOOGLE VOICE TYPING).
You should now be inside SAMSUNG KEYBOARD SETTINGS.
go down to VOICE INPUT and check the box to the right of it. Its called "Show Voice Entry Button on Keyboard. After u click that.