Handy Guitar Lab for G2 FOUR is a remote-control app specifically designed for the ZOOM G2 FOUR / G2X FOUR EFFECTS & AMP EMULATOR.
With the app, you can download new effects, and manage which effects are installed on the device.
You can also view and download new patches, customize the patch list on the device and create backups for safekeeping.
The app gives you the ability to edit existing patch memories as well as create new patches from scratch.
The app will let you know when firmware updates are available and install them for you if you choose.
The app supports TalkBack to provide accessibility for the visually impaired.

* Handy Guitar Lab for G2 FOUR connects to your device with a USB (Type-C) cable.