A new mobile friendly testing tool
Google Launches Mobile Friendly Test Tool
Introducing the Mobile-Friendly Test API, Google Search Central Blog
Google's New Mobile Friendly Testing Tool
Mobile Friendly Test Tool
Updates to the Google Safe Browsing's Site Status Tool, Google Search Central Blog
How to Use Google's Mobile-Friendly Test Tool - SISTRIX
Mobile-Friendly Test: Your Key to Conversion Optimization
Google Mobile-Friendly Site Testing Tool
Mobile Friendly Test: Essential Checks for Your Website
Performance Testing using MONKEY tool for Android
What is a Mobile-Friendly Test, and How to Ensure Your Site is
MobileMadness: a campaign to help you go mobile-friendly, Google Search Central Blog