@baana2005, I just checked this at my end, and I could bold the choices in the Collect android app. FYR:
XLSForm as seen in the choices sheet:
Data entry screen as seen in the Collect android app:
Reference XLSForm:
Choices Bold Test.xls (31 KB)
Note: Please also keep in mind that the choices (at the moment) do not bold with Enketo.
