Steps:

Step 1: Download Business Assist GST Woocommerce API plugin from http://www.oscprofessionals.com/wordpress-plugin/business-assist-GST

Step 2: Install and configure it with your WordPress woocommerce store

Step 3: Download Business Assist app from Google Play store

Step 4: Take URL and Key from WordPress admin and add to Business Assist app

Step 5 :User can login in mobile by selecting one of users details from admin

Step 6: You are ready to use!