With Continuity, you can use your iPad together with your iPhone, Mac, and Apple Watch to work smarter and move seamlessly between your devices.
Continuity is the way that your Apple devices work together. There are many Continuity features that allow you to easily work across your Apple devices, without ever missing a beat. There’s no specific Continuity app—it’s built into the operating system and many apps you use every day. You just need to be Share your internet connection from iPad (Wi-Fi + Cellular) with Personal Hotspot.
Want to see it on the big screen? Share, play, or present videos, music, photos, and more from your iPad to your Mac. You can also stream content from iPad to your Mac, an Apple TV, or an AirPlay 2-enabled TV. See Apple Support article: Use Continuity to connect your Mac, iPhone, iPad, and Apple Watch