by Mobile Stream
RUN THE APP ON YOUR PHONE AND FOLLOW THE SETUP WIZARD.
EasyTether shares Internet connection from your smartphone with your computer, tablet and router.
It supports USB tethering for Windows, Mac OS X, Linux or FreeBSD computers, Android 5.0 / 4.0.3+ tablets and OpenWRT-based routers.
Works well, config sometimes confusing — I needed this app while travelling by car. I was able to install no problem. The confusing part is how to configure the Droid to make it work. You have to enable debug mode, which is not a problem per se. However I only use the app infrequently, so I never remember where to find that...