Fun!

If you want to see a stranger play, I just streamed it:

https://m.twitch.tv/videos/2639478097

(Shameless plug, I’m trying to work out the kinks in my new iOS streaming/recording app)

No undo. Clicking reset icon clean everything. No numbers showed.

cool - played a few games. When you connect the wrong dot you cannot undo it? I couldn't figure out. Clicked the line, clicked the previous dot and clicked reset button.