The virtual scrolling cannot work with the Kendo UI Scroller, that's why we use drag and drop for the data table.
I made a quick test with our online demos, and the behavior with regard to the visibility of the scrollbar is identical when virtual scrolling is enabled and when it is disabled.
Nexus 7 / Android 4.4.4 - a scrollbar appears
during scrolling in both cases
iPad 4 / iOS 8 - a scrollbar does not appear
during scrolling in either case
Generally, virtual scrolling is not usable on mobile devices for another reason - since the user cannot grab and drag the scrollbar "thumb", (s)he can practically never reach the bottom of the Grid if there are too many pages. If you go to the following demo and try reaching the bottom of the Grid by only
using the mouse wheel, you will see what I mean.
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