All screenshots are from the Jfile 3.2f version but should work in both version 4 or 5.
After having launched the Jfile application the following screen appears:

The database is named: transselect open the database and you will see the view screen:
View
If you tap on any of the displayed records you will enter the record view:
Edit Record view.
Tap on the header in the view screen and select the sorting order.
Tap Menu, Tools, Filter records and define a filter like this example:

Tap Filter to apply this filter.