No specific info about version 4.6. Please visit the main page of Ninja on Software Informer.
It allows you to practice addition, subtraction, multiplication, and division.
Voip-A-Lot is a telephony client that allows you to make calls from your PC.
It is a VoIP utility that allows you to make national and international calls
A bloody ninja fighting game; too bad the graphics are poor.
Ninja Pendisk guards computers against viruses transmitted by USB pendisks
You can record your conversation with it and listen to them later.