I think the viable scope of such a replacement is there but probably very limited. In my opinion it depends on the type, format, frequency of editing, sensitivity, and many other properties of the data you're working with.

Perhaps the solution isn't sending CRUD mobile, but rather replacing it in some circumstances with more limited, potentially check-in/check-out, simplified and abstracted workflows that make sense in specific situations. Trying to replace it like this in a general sense presents more problems than it solves.