Despite its claim that it is new, Tap n Swipe is not new. I've documented at least six similar keyboards in my keyboard roundup, and this one just have nothing special to be worth recommending.
Rating: skip it
http://www.appbrain.com/app/tapnswipe-%28beta%29/com.step2u.tapnswipe
Read the keyboard roundup here, where I called it "Tap-Slider"
http://hubpages.com/hub/Android-Softkeyboard-Shootout-which-input-method-should-you-use