Holy crap, this is awesome! You guys are doing some insanely creative stuff on the Playdate. I tried out the Windows app in conjunction with the game even though I don't have anything to trade yet, and was really impressed at how it works. Also love that there's events with exclusives, since it's really fun seeing what crazy art and descriptions you came up with.
The only thing I'd request is more options (I like this as a passive thing I can run in the background, so the as great as the music is it would be nice to turn off). Also, I noticed that simply not resting the Playdate flat on its back seems to count as "walking" with the ghost signal strength increasing noticeably faster.
Really love what you guys are doing with this hardware, thank you!