To Start Sharing Screen
1. In the Meet window (ongoing Meet)
2. Tap on the Share icon (at bottom right corner)
3. Choose Share Screen and you get the message "Screen is sharing"
To Stop Sharing Screen
1. In the Meet window (ongoing Meet)
2. Tap on the "Screen is sharing" box (at top)
3. Tap on the Share icon (at bottom right corner) and choose Stop Sharing