This 8-inch "3 in 1 phablet" comes only with Android 5.1, but offers 4G connectivity via a micro SIM card, HDMI output, and has a foldable/detachable/adaptable controller with two joysticks, one D-pad, and four action buttons.
http://www.notebookcheck.net/WinkPax-G1-Nintendo-Switch-alternative-is-already-up-for-sale.193100.0.html