I would contact the game companies (PIO or similar) and tell them about your program. We had a computer show once, and the companies are usually only happy to send demo videos and samples. It is advertisement for them, although let them know how you will be critiquing the games just in case they have a problem with it.
Ask the copyright holder for permission.
A request must be submitted to the copyright holder. There is almost always a fee associated with using copyrighted material, even if the creator allows you to use the work. This applies to music, movies, television, visual arts, literature and other copyrighted works.
Use of protected material without permission or an exemption in the law is called infringement.
It is not necessary to ask permission for "Fair Use" of any copyrighted material. The best source of information you have particular to your state and district for the use of copyrighted material is your district head librarian.
You can use copyrighted material at any time if you have obtained permission first. In order to use copyrighted materials without permission you need to establish the project as "fair use"The four primary factors you need to consider are...the purpose and character of the use, including whether such use is of a commercial nature or is for nonprofit educational purposes;the nature of the copyrighted work;the amount and substantiality of the portion used in relation to the copyrighted work as a whole; andthe effect of the use upon the potential market for or value of the copyrighted work.
Cabos is a legal software program, but it is illegal to download copyrighted material without permission. Make sure what you download are non copyrighted to be legal.
Yes, in certain situations such as scholarship and critique.
Unless it would fall under "fair use" no it is not "okay" to use copyrighted material without permission
Not on eBay.Added: CAUTION: Be careful you are not selling copyrighted material!
Usually, your agreement with the copyright holder will specify a notification (such as "used by permission") which must appear on or with the work.
Almost all is not public, however laws allow use of copyrighted material for educational purposes.
No it is not, however, it would still be better if you would ask the author for permission before using their answers ..