Free mp3 apps on android legal?
ALL resources that give out COPYRIGHTED material for FREE but do so WITHOUT permission from the copyright owners are equally ILLEGAL, end of story.
Are android apps free?
Some of them are, but not all of them.
Android market apps free?
There are free and non-free apps on the Play store. BTW it not called the "android market" any more. It called Google Play
Where to get free android apps?
Yes; there is now malware available that looks like applications that you get from app stores that acts like a virus.