Nope, it doesn't.
you would want to know how to set a signature on the droid.
menu>>messaging>>settings>>signature
Currently you are unable to set a signature on an sms account on the palm pixi.
there is NO way to do a signature on the pan tech impact...
you cant set it :( it stinks
To enable the auto signature: touch Custom, enter a desired signature then touch Save
Well, I have had two LG Primes. The first one, after I set my signature, appeared in every text message I was composing. But my second LG Prime didn't insert my signature after I had set it. So good luck!
McLaine
You can't.
*HMS*
It depends if it has the ability to set a signature but if your phone does, it should be in the settings under Messaging or in your phone settings.