Wanted to use RPi on the Go? ie. Console access while outdoors? Hence they designed this remarkable console adapter to meet the needs of peer users with PC, Android and iPhone.
PiConsole is a USB or Bluetooth serial console adapter for Raspberry Pi. You can view all your console messages, enter commands and login/logout on your Raspberry Pi from your Bluetooth enabled smartphone or Tablet.
PiConsole - anywhere console for Raspberry Pi 2014-06-09
Easy wireless access to console of your Raspberry Pi from PC, Tablet, Android and iPhone