The phrase "immoral activity" refers to actions or behaviors that are considered wrong or unethical based on moral values and principles. It signifies actions that are perceived as bad or harmful to others or society as a whole. Full definition
# 4 was a prohibition against immoral activity including being gay. (religion.blogs.cnn.com)
perhaps you should direct your «holy» ire towards the politicians who do nothing but line their own pockets at the expense of those in your «flock»... There is no shortage of immoral activity going on in this country. (religion.blogs.cnn.com)
As per the new rules introduced in the Google Play Developer Program Policy, developers will have to ensure their apps does not engage in immoral activities or attempt to deceive users with nefarious advertising policies. (goodereader.com)