With the WooGallery plugin you can easily adjust the responsiveness of the product gallery width. Follow the steps below to achieve it: 

1. Go to the General settings tab of the plugin. 

2. Scroll down a bit and you will find the option Responsive Gallery Width. 

3. Here you will see three different field for inserting the width value for different devices. 

4. Adjust the gallery width value as you wish for different devices.