Tone Room is designed to work as an editor/librarian for VOX products, including the VX II, VT20X/40X/100X, Adio/Adio Air ,VX50 GTV, and VOX Cambridge50.
Connect your VX, VTX or Adio/Adio Air to your iOS device with a USB cable or connect your Adio Air to a Bluetooth MIDI supported device via wireless connection. Tone Room allows you to edit sounds, manage programs, and backup your settings.

Tone Room 1.4.0 support
"VOX modeling guitar amplifier VX II"
https://voxamps.com/product/vx-ii/
"VOX modeling guitar amplifier VT20X/40X/100X"
https://voxamps.com/series/vtx/
"VOX modeling guitar/bass amplifier Adio/Adio Air"
https://voxamps.com/series/adio/
"VOX modeling guitar amplifier VX50 GTV"
https://voxamps.com/product/vx50gtv/

System Requirements
Wired Connection (via USB-MIDI)
Android 6.0 or later, Android Phone/Tablet. (USB OTG cable is needed.)
Wireless Connection (via Bluetooth MIDI)
Android 6.0.1 or later, Android Phone/Tablet

Even if your device meets the above conditions, the device may not be compatible
with MIDI, USB-Host or Bluetooth Low Energy.
If the app detects incompatibility, you will be prevented from installing it.

Any question about Tone Room and VOX Products:
http://voxamps.com/ContactUs
http://voxamps.com/Distributors