Looking forward to grabbing a cart version, whenever they're available!
Great to hear! We're doing a limited release first, based on the Famicom prototype cart, that we designed:
Later this year there's also going to be a release of SlowMole+ with a more advanced cart with some unique hardware features. More info in this thread: https://www.videogamesage.com/forums/topic/8283-slow-mole-for-nes/