To make sure the entire format changing. I did,
-Change column format from “Automatic” to “Plain text”.
-Copy all data in the column to a new file using “Paste values only”.
-Delete all data in the column.
-Copy all data from the new file back to the column using “Paste values only”.
-Open new tab in Chrome and open AppSheet editor.
I thought the appsheet might be confusing something as the column name is used as well as value of the same column . So I just said you try to use the other field name . Just even add question mark to the end.
I think I found a clue. If I move the Values upside down to “Gone” and then “No”, the view sorting is correct.
However, the sorting algorithm in AppSheet should not be depend on the order of the Value itself. It should rely on the content inside column, not the sequence of the list.
I tested more deeply and it seems that if the option “Use other values” is not set as ON, it will follow the Enum field’s option called “Values”. Now when you have them as an order No > Gone and that option is set as OFF, this will happen.