Gtak + Pedalboard Video
Here's how Gtak works with a MIDI pedal board to let you switch between instruments (in this case 17 different instruments) without you having to take your hands off your guitar.
Even if you don't have a MIDI pedal board this video contains plenty of ideas for different ways to use Gtak. This information applies to all versions of Gtak.
If you haven't already, watch the overview video first.