Detecting a "touch up inside" is quite complicated. Unlike the mouse events, the touch events always report the originating element as the current event target; there is no equivalent of mouseleave.
In the internals of Kendo UI we have a setting
which controls the button sensitivity to movement, but it is currently private and can't be set from the user code. However, this sounds like a sensible feature, so I have logged it
for our next iteration.
Join us on our journey to create the world's most complete HTML 5 UI Framework - download Kendo UI