Mouse move (and map view for that matter) will be in the proper release of Towers of Scale - if everything will go well I should be able to push out the demo before the end of the month, both on Steam and Itch. You can drop a wishlist on Steam (https://store.steampowered.com/app/3962750/Towers_of_Scale/) or follow me here on itch to get notified when that happens.