In the Desktop version if i have 2 fields with the same label, i can fill the data in the 1st then when i click on the 2nd field with the same label (e.g. social security number)  it gets auto-filled with the data from the 1st field. 
E.g. 
1st page -> Click on "SSN" -> Fill with "123456789"
15th page -> Click on SSN -> Automatically fills with "123456789"

In the APP version this doesnt work.
It only works for Signature field, Date of signature field. 

Is it an error, or is the app designed that way?

Best regards