A perfect match…
1. It is available on a wide range of devices and operating systems (Android, Windows, macOS and Linux)
2. It works out-of-the-box on most operating systems
You’re going to hear a lot about WebUSB soon, this is a good start. Also, NumWorks is a cool graphing calculator.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.