If you've got multiple MIDI devices, I've added an option to let you change your input device. Before it defaulted to the first input detected! There will be an over-the-air update coming soon.

I'm surprised by how well our Hacker News launch went. We had ranked #6 for most of the evening! I also posted on Product Hunt to see if there'd be any interest and we're currently sitting at #3! Thank you for the support, let's keep building cool things.