The Reminder card makes good use of pickers. There is little typing for the user to do, and because they will pick an entry from a list that we present, there's a good chance the information won't have any typos in it!
Edit the script of the Set Related Location button, and type in the following:
on mouseUp global gReminderData put empty into tLocations set the itemdelimiter to tab put 1 into tLineNumber repeat with a = 1 to the number of lines in gReminderData if item 1 of line a of gReminderData = "Location" then put item 2 to 4 of line a of gReminderData into line tLineNumber of tLocations add 1 to tLineNumber end if end repeat if tLocations is empty then answer "You need to add a location." else mobilePick tLocations,1 put the result into tChosenLocation if tChosenLocation >0 then put item 1 of line tChosenLocation of tLocations into field...