How about you do a quick search on the market and try and find one o_O it's easier to do a quick search in the market than it is posting a whole new thread :|
As i said, yes there are tether apps, but no they are not usually free..... easy tether lite is the only half decent one...
Also, if you would've searched online, you would've seen that Verizon is not letting us download us apps like this anymore for the most part.....
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Samsung Continuum: The Phone That Could-- With a Community