I think an OTG cable is an OTG cable... I just tried the one that came with my USB keyboard folio case I use with my Nexus 7, which works fine with the HOX now its updated to the new HBoot/kernel.
LG D802 - SlimKat | Asus Flo - SlimKat/Glitch | Samsung i9100P - SlimKat/Dorimanx | HTC Vision - Flinny CM11
LG Mako (Given away!) | HTC EndeavorU (eMMC Corruption Brick) | Barnes & Noble Ovation - (LCD Stopped working) | Motorola Olympus (Cooked itself) | HTC Bravo (Sold) | HTC Dream (Retired) | Apple iPhone 2G (Retired as a music player) | HTC Hermes (Touchscreen dead)
Free RAM is wasted RAM, foo!