A cursor could be useful to indicate the position where the text should be entered, as well as to give the possibility, per request, to enter something manually.
Most of the persons we test with are currently learning to read and write, which means they could be able to enter some things, plus numbers is something they could be currently having problems entering.
A cursor could be useful to indicate the position where the text should be entered, as well as to give the possibility, per request, to enter something manually.