when you stream to your laptop, you can't do much else with your laptop, unless you have 2 screens, that's possible, but a bit awkward,
that's why an android like the Minix comes in handy, think of it as a tablet without screen, and you use your tv as screen,
it's a computer running on Android, like your tablet or smartphone, install all the apps from Google playstore on it, I've connected a wireless mouse and keyboard, now I can browse the web, send emails, even play games if I wanted to, anything you can do on a tablet or smartphone, you can do on an android box.