This is very cool. Would love to see something similar for the BrainPad.https://blockly-games.appspot.com/bird?lang=en
Time for me to learn JS?!! https://developers.google.com/blockly/
The robot is flashed using color on the screen
start from here.. https://blogs.windows.com/buildingapps/2016/09/06/windows-10-iot-core-blockly/#gT01sz49z3EzhB4x.97
Pretty straight forward technology to flash something like that. Just need a colour sensor.
I know a guy that has already done this... Let me circle up with him and see if he ever got around to posting it somewhere.