Go to www.snap-summary.com in your mobile browser.
          iOS: Tap "Share" and select
          "Add to Home Screen". 
          Android: Tap the menu (⋮) and select
          "Add to Home Screen". 
          SnapSummary will now be accessible from your home screen like a native
          app.
        
While watching a YouTube video, tap Share and find SnapSummary (you may need to press More). SnapSummary will open with the video link automatically pasted, ready for summarising!