The Duet and Duet WiFi 3D printer control electronics provide a web server on board, with a mobile- and tablet-friendly web interface. I use my Android smartphone to keep track of print progress from other rooms during long prints. See [
reprap.org] to get an idea of the interface, although the screenshots there were done on a PC.
Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod
Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].