Let's see. You can make dating apps, you can make games of any scale, you can make just about anything. If you want a more detailed answer, ask a more detailed question.
Do you have any good links that explain and teach about the other libraries? Cause I know there is a Bluetooth library, but I want to know how to use it.
suppa,
as others have said, you can do whatever you want with C++, assuming the usage of 3rd party libraries, but always take care about documentation and popularity of these libraries.
some are hard to learn since documentation is scarce while others might be not well maintained, thus probably wasting your time using such libraries.
Thank you for the help as well, I didn't mean to sound lazy and look it up for me. I just wanted to know of any good sites that you have personally explored and found useful. Thank you again for your help =D