On Bloomberg, Feargus O'Sullivan describes one such app the Japanese yokushitsu kansouki - a sealed bathroom with its own heat-pump that can perfectly dry all your clothes while you're out at work:
This is amazing stuff - it uses less energy than a clothes-dryer, leaves your clothes wrinkle-free, prevents the rapid deterioration caused by high heat and mechanical agitation, and prevents the microfiber pollution that lowers our air-quality.