A full version program for Android, by ZOOM Corporation.

Handy Guitar Lab for G2 FOUR is a remote-control app for the ZOOM G2 FOUR and the G2X FOUR effects and amp emulator. It can download new effects and manage which effects are installed on the device.

With this app, you can view and download new patches and customize the patch list on the device and create backups for safekeeping. You can also edit existing patch memories as well as create new patches from scratch.

This app is a tool that allows you to do things that were not possible before. It allows you to customize the device as you see fit, to your liking.