Take for instance Final Fantasy Brave exvius. A game this elaborate would have cost upwards of $70 just a few years ago yet you can download this on your phone for free.
Sure it’s a good game but the companies that make them aren’t in the game business to make sure you’re entertained. They will make sure you’re entertained if they have money to make from it. These apps tend to access information that can be used to track your every move and to sell your consumer habits to third parties.
Think about that for a moment
This doesn’t necessarily mean that all of this is bad or that you shouldn’t Play app based video games. It just means that you should always consider what big company has to gain by offering services for free. In capitalism there is always an ulterior motive.