Best way to start is to look at demo.py file, or maybe run it.

Features

• auto-detect and connect for Bluetooth device
• permanent Bluetooth connection server for faster debugging
• angled and timed movement for motors
• LED color change

Ideas

Links

• https://github.com/JorgePe/BOOSTreveng - source of protocol knowledge
• https://github.com/RealTimeWeb/blockpy
• https://ru.wikipedia.org/wiki/App_Inventor
• https://en.wikipedia.org/wiki/Blockly