some collected thoughts ; compiling it yourself from source for free or ~20$ for one license seems okayish. IOS and Android licenses need to be purchased separately. For Android it might be the only 3DTexturing solution? Apple release especially for the Ipad seems problematic.…
Across scenes, yes. It's not accessible through the UI. In the new implementation it will be stored as a binary stream in an AppDataChunk, that's difficult to access without an interface to it.