But if you are not satisfied with testing with the included jasperreports-6.7.1 version that comes with the
B4J Library jJasperReports Library version 2 from 5 years ago, you can always consider purchasing the paid version with undoubtedly more and new functionalities. Looking at the release date of 5 years back, only a good chance that you will have to update the B4J library yourself or create a new wrapper for B4J.