We supported DoubleTapMode for MapSuiteFormsEdition.
Please download the version 9.0.686.0 or higher version from product center. (This package download link should get refresh tomorrow)
You can disable double tap like the following option:
mapView.ExtentOverlay.DoubleTapMode = MapDoubleTapMode.Disabled;
Hope that resolves your problem.
If you have any questions, please feel free to contact us.