Parental Control Systems
These Parental Control Systems already read age.xml and age-xx.xml labels:
“Jugendschutzprogramm” from the non-commercial non-governmental organisation JusProg e.V. is a software for Windows 10/8/7. Parental Control can be downloaded and used with daily updates free of charge and without ads or registration. The software is in German and English. JusProg e.V. reads age.xml and age-de.xml age labels and has an international filter list (age groups 0, 6, 12, 16, 18) for good results as a filter software for youth protection.
Download here: http://www.jugendschutzprogramm.de/download