There are other format viewers out there and MoI having excellent translators I'm sure there is a viewer to suit our needs.

I Googled one of the export formats that MoI handles including the words ipad viewer and came up with this;
http://itunes.apple.com/us/app/stl-viewer/id351268929?mt=8

I don't think we need a dedicated MoI native file viewer.

Cheers